RV Black Tank Clogs? Why the Problem Is More Likely Toilet Paper Than Waste

If your RV's black holding tank has been clogging or your sensors keep reading 2/3 full—even after you’ve emptied the tank—your issue may not be waste. The real culprit is often toilet paper. It acts like rebar in your black tank, causing solids to clump together and leading to odors and clogs. But here’s the good news: with the right enzyme RV tank treatments, you can break down all waste and paper, including regular toilet paper, and say goodbye to clogs and odors for good.

Regular Toilet Paper in the RV Black Tank? Yes—If You Use the Right Treatment

Many RVers believe they must buy expensive specialty toilet paper, but that's not necessarily true. With products like Bio-Pak and Bio-Fresh from Walex, even regular toilet paper becomes tank-safe. These bacterial RV tank treatments use a powerful blend of enzymes and bacteria to liquefy solids, eliminate odors, and dissolve toilet paper quickly and thoroughly.

In fact, Walex chemists formulated these treatments to digest all waste materials in your black tank, not just mask odors. The result? A smoother, more reliable dump process and dramatically reduced risk of backups, clogs, or that dreaded “poo pyramid.”

How Enzyme and Bacterial Treatments Work

The best RV black tank treatments don’t just sit in your tank—they go to work immediately. Products like Bio-Pak (drop-in sachets) and Bio-Fresh (liquid) harness the natural breakdown power of enzymes and bacteria to liquefy solid waste and paper, providing eco-friendly RV tank solutions that are both effective and safe.

These bacteria-based formulas promote the growth of helpful microbes. That’s one of the big RV tank bacteria benefits: better digestion, fewer clogs, and healthier tank systems.

And because these treatments are biodegradable RV treatments, they’re safe for septic systems and campground regulations.

Bonus Benefits: No Special Paper and No Sensor Issues

Regular use of enzyme products like Bio-Pak and Bio-Fresh also helps maintain clean sensors. That means no more guessing how full your tank really is, and no more unnecessary early dumps. These products help prevent sensor buildup by ensuring the breakdown of RV toilet paper and solids before they can coat the tank walls.

Plus, they offer natural RV tank maintenance that lubricates seals and valves, extending the life of your system. So whether your issue is a black holding tank clogged or just lingering black holding tank smells, switching to these treatments is a smart move.

Your Clog-Free Future Starts Here

So, if you're tired of battling toilet paper clumps and mystery clogs, it’s time to rethink your holding tank strategy. With Walex’s Bio-Pak, Bio-Fresh, and even deep-cleaning options like Commando, you can turn your tank into a well-oiled machine.

Forget the stress of flushing toilet paper down the black tank—let these effective holding tank treatments do the heavy lifting, naturally and powerfully.

by Testing Testing 2

Walex Expands Headquarters with 20,000 Sq. Ft. Facility

We're excited to announce the groundbreaking of a new 20,000-square-foot expansion at our Leland, North Carolina headquarters.

This expansion marks a major milestone in our growth, adding significant manufacturing, research & development, and shipping capacity to support customers in both the RV and portable sanitation industries. With demand for our products continuing to rise worldwide, the new facility will ensure we can scale efficiently and continue delivering the reliability operators and RVers depend on.

Since our founding in 1987, we've grown from a local manufacturer into a global leader in waste treatment solutions, serving customers in more than 50 countries. Known for innovation and science-driven product development, we were the first to introduce portion-controlled deodorizer technology to the portable sanitation industry and continue to pioneer advancements in holding tank treatments, cleaners, and odor-control solutions for RV, Marine, and Portable Sanitation markets.

The new facility reflects our ongoing commitment to:

  • Supporting Operators and RVers – Ensuring steady supply and on-time delivery during peak demand seasons.

  • Sustainability – Continuing to power production with 100% solar energy while transitioning packaging to eco-friendly materials.

  • Innovation – Expanding R&D capacity so our team of scientists can develop and test new formulas that outperform the competition.

This expansion also underscores our dedication to the local Leland community, where the company has been headquartered since 1987. By investing locally, we are not only strengthening ourglobal reach but also supporting regional job growth and long-term economic development.

We thank our employees, distributors, retailers, and customers for making this growth possible. We look forward to continuing our mission of providing reliable, science-backed solutions that help our customers around the world.

by Testing Testing 2

Harnessing the Power of Enzymes: The Science Behind Walex RV Treatments

For RV owners, maintaining a clean and odor-free black tank is one of the most important – and often most challenging – aspects of life on the road. Walex has spent decades developing premium, science-backed solutions that make waste breakdown and odor control simple and effective. Our enzyme-based RV treatments, like Bio-Pak and Bio-Fresh, are designed to deliver powerful performance using the natural power of enzymes and beneficial bacteria.

How Enzymes Work in Your Black Tank

Enzymes are specialized proteins that act as catalysts to speed up natural processes. In your RV’s black tank, they target and break down build-up and toilet paper at a molecular level. When you add an enzyme-based treatment like Bio-Pak or Bio-Fresh, you’re introducing billions of microscopic workers that immediately get to work:

  • Digesting toilet paper – Instead of paper sitting and dissolving slowly, enzymes actively break the fibers apart for faster, more complete digestion.

  • Eliminating odor molecules – Enzymes target and destroy the compounds responsible for bad smells, ensuring a fresher RV interior.

The result is a cleaner, more efficient tank system and a much more pleasant camping experience for you and your family.

The Walex Difference: Science in Action

While some treatments rely on fragrance to mask odors, Walex products are backed by decades of research and testing. Our on-site Research & Development Lab, led by a team of Ph.D. scientists, rigorously tests every formula before it ever reaches your hands. This commitment to quality means that our products don’t just smell nice – they perform under real-world conditions.

Recently, our team conducted a toilet paper digestion test comparing Bio-Fresh to six leading competitor products. The goal was to simulate what happens inside a black tank and measure how effectively each treatment broke down waste and paper over time. The results were clear: Bio-Fresh outperformed every single competitor, completely digesting toilet paper while others left behind clumps and residue. This type of testing ensures that when we say our products work, we have the data to prove it.

Why Choose Enzyme-Based RV Treatments

Switching to an enzyme-based treatment like Bio-Pak or Bio-Fresh offers several benefits for RV owners:

  • Environmentally friendly – Enzymes and bacteria are naturally occurring and safe for septic systems and campground plumbing.

  • Prevents future problems – Regular use keeps tanks clean and prevents costly repairs caused by build-up and clogs.

  • Superior odor control – Instead of just covering up smells, enzymes destroy the source of the odor.

  • Easy to use – With convenient drop-in packets or liquid formulas, treatment takes just seconds.

Trusted by RVers Everywhere

At Walex, we understand the challenges RVers face because we’ve been perfecting these solutions for decades. Our enzyme-based products combine nature’s science with cutting-edge research, giving you confidence every time you hit the road. Whether you choose Bio-Pak packets or Bio-Fresh liquid, you’ll know your black tank is protected by a treatment proven to work – and tested by the best.

by Testing Testing 2

Why Does My RV Grey Tank Smell Bad?

If you’ve noticed a persistent rotten egg odor in your RV, chances are the culprit is your grey tank. While many RVers expect issues from their black tank, the grey tank—which collects water from your sinks and showers—is often an overlooked source of unpleasant smells. Understanding the causes of grey tank smells and how to manage them is key to maintaining a fresh and functional RV.

Causes of RV Grey Tank Smells

The most common causes of grey tank odors are built-up grease, soap scum, and organic sludge. These substances accumulate over time and become a breeding ground for odor-causing bacteria. The result? A foul, sulfur smell in RV tanks that’s reminiscent of rotten eggs. This can be especially noticeable after washing dishes or showering.

RV plumbing issues can also exacerbate the problem. Clogged or slow-draining pipes allow standing water to sit longer, giving bacteria more time to thrive. Additionally, if you don’t regularly rinse your grey tank, leftover residue builds up and causes persistent smells.

Grey Water Tank Maintenance Tips

Managing RV grey tank odors doesn’t have to be complicated. The key is consistent maintenance. First, avoid dumping food scraps, coffee grounds, and grease down the drain—these are top offenders for clogs and odor. Second,

dump your grey tank regularly—ideally every 3–4 days during heavy use. After dumping, rinse the tank with fresh water to flush out residue.

The Best Grey Tank Treatment Product: Elemonate

To truly eliminate odors and keep your system clean, you need more than water—you need a powerful treatment like Elemonate from Walex. Elemonate is specifically designed to address the unique challenges of grey tank maintenance.

What makes Elemonate a standout product? Its enzyme-powered formula breaks down grease, food particles, and soap residue—all major contributors to grey tank smells. It’s available in both tablet and liquid form for convenient use. Simply drop a tablet in your sink or pour in the liquid, run water to flush it down, and let the enzymes go to work. The result: cleaner tanks, fresher drain lines, and a pleasant lemon scent throughout your RV.

Elemonate doesn’t just mask odors—it neutralizes them at the source. It’s biodegradable, formaldehyde-free, and safe for all plumbing systems, making it the ideal choice for environmentally-conscious RVers.

Final Thoughts

Managing RV grey tank odors doesn’t have to be a constant battle. With smart grey water tank maintenance and a reliable treatment like Elemonate, you can eliminate the sulfur smell in RV tanks and keep your plumbing fresh and functional. Say goodbye to the rotten egg odor in your RV and hello to stress-free adventures.

by Testing Testing 2

Why Does My Black Tank Smell So Bad During the Summer?

Understanding and Preventing RV Black Tank Odor Issues in Hot Weather

If you’ve spent any time RVing in hot weather, you may have encountered a strong and persistent smell coming from your black tank. You're not alone. Summer RV odor issues are incredibly common due to the heat’s impact on waste breakdown and bacterial growth in RV holding tanks. As RV tank temperatures rise, so does the intensity of the odors. The confined space inside an RV only makes it more noticeable. Whether you're camping in the desert or parked at a sunny campsite, understanding the heat effects on RV tanks is essential for a more pleasant experience.

What Causes Black Tank Smells When It's Hot?

Black tank smells during summer are often due to the accelerated decomposition of waste at high temperatures. When heat builds up inside your RV’s waste system, it intensifies odor production and exacerbates RV waste system challenges. Odors are caused by anaerobic bacteria, which thrive in high temperatures. The warm environment acts like an incubator, speeding up bacterial activity and producing noxious gases like ammonia and hydrogen sulfide.

Managing RV Tank Smells: Products and Practices

The best strategy for managing RV tank smells in the heat involves regular maintenance and the right sanitation products. Porta-Pak is the industry's gold standard for combatting summer odors. Walex's team of R&D scientists originally created the Porta-Pak formula to control odors inside portable restrooms and later adapted it for the less-demanding RV environment. Still, it remains in a class of its own when it comes to odor control, with the ability to provide immediate and long-lasting freshness.

Water: A Key Ingredient in Preventing Black Tank Odors in Hot Weather

Preventing black tank odors begins with routine RV holding tank care. Always start with a clean tank—after dumping, add 1.25 gallons of water for every 10 gallons of tank capacity before dropping in a deodorizer. This helps submerge waste and prevent the “poo pyramid” from forming above the waterline. Adding inadequate water is one of the most common causes of black tank odors.

Hot Weather RV Maintenance Tips

In addition to using the best RV black tank treatments and adequate water, hot weather RV maintenance also includes keeping your RV cool and shaded when possible. Store your RV with windows cracked open for ventilation and park with your black tank side away from direct sun exposure. Use vent fans or an odor-neutralizing product inside the RV, like Walex’s Assure, to control smells at their source. Clean your tank regularly with Commando, an enzyme-based black tank cleaner that eliminates lingering odors and restores malfunctioning sensors. These are all essential summer RV sanitation tips to enhance your overall experience.

Stay Ahead of Summer RV Plumbing Problems

With proper knowledge and the right tools, preventing RV tank issues in the summer becomes manageable. From using black tank treatments that excel at odor control to understanding RV holding tank cleaning routines, these odor control in hot climates tips can save your trip. Always travel with proven solutions and make odor control in RVs part of your regular summer RV care checklist. Don’t let black tank smells ruin your adventure—equip yourself with effective, trusted products and enjoy the open road without the stink.

by Testing Testing 2

How do bacteria & enzymes work in RV black tank treatments—and which works better?

When it comes to RV plumbing maintenance, few challenges are as persistent—and frustrating—as black tank odors, clogs, and sensor malfunctions.

Fortunately, enzyme-based black tank treatments offer a powerful, eco-friendly RV care solution that tackles these issues at the source. These biological RV tank cleaners use targeted enzyme action in black tanks to break down waste and toilet paper efficiently, helping prevent black tank clogs, eliminate odors, and keep sensors functioning properly.

What enzymes do in your RV's black tank

Understanding how enzymes work in RV tanks is key to choosing the right product because not all bacteria/enzyme products are created equal. Walex’s Bio-Pak and Bio-Fresh, for example, contain a specific natural enzyme that targets and liquefies the main components in toilet paper. This kind of precise RV digestion helps dissolve toilet paper quickly and prevents the dreaded black tank poo pyramid, a common cause of clogs and sensor malfunctions. Bio-Pak and Bio-Fresh also contain an enzyme that targets odor molecules. Meanwhile, bacteria-based products rely on the bacteria to produce a variety of unspecific enzymes over time, meaning they don't provide the same level of targeted paper digestion and odor control.

Is waste breakdown or toilet breakdown more important?

Bacteria-only products do digest waste, leading to influencers and manufacturers to proudly exhibit their products' ability to liquefy dog food. However, not only does the "dog food test" not demonstrate waste digestion, but solid waste is not the real culprit when it comes to tank clogs. Walex chemist Bryan Spraul, Ph.D., explained that his lab's R&D efforts focused on liquefying toilet paper because it acted like "rebar" in an RV black holding tank.

Do bacteria take longer than enzymes to start working?

Furthermore, bacteria-only treatments take much longer to work. The bacteria slowly produce enzymes over time, while Walex's biological treatments deliver active enzymes from the start. That means the digestion of paper and waste begins immediately—critical for RVers who typically empty tanks every few days. This immediacy gives Walex treatments a huge advantage over many bacteria-based tank treatments on the market that need time to build effectiveness. Whether you're on a weekend trip or a cross-country tour, enzyme black tank treatments like Bio-Pak and Bio-Fresh ensure your tank stays clean and odor-free.

Comparing warm-weather performance

Another key advantage of using enzyme-based RV sanitation solutions is their consistency across different climates. Walex's enzyme-based black tank cleaners and deodorizers remain effective in a wide range of temperatures, making them reliable for summer road trips or warm-weather full-timers. Bacteria, alternately, lose effectiveness in warm climates. Warm weather performance is especially important for preventing black tank troubleshooting headaches, such as malfunctioning black tank sensors or residual odors that linger even after dumping.

In summary, the best eco-friendly, biological tank treatments are those built on proven science and designed with real-world RV use in mind. With targeted enzyme action, Walex's enzyme-based products stand out as a natural holding tank treatment that supports long-term RV plumbing maintenance. If you’re looking to simplify your RV waste management routine while protecting your system from black tank clogs and sensor issues, targeted enzyme black tank treatments are the smartest, most effective solution.

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dog-food-test-fallacy

The Fallacy of the Dog Food Test for Waste Breakdown

There are some manufacturers in the RV industry that use dog food as a waste substitute to show the breakdown capabilities of their black tank treatment products. We recently visited the Walex Innovation Lab to speak with their PhD Chemist, Bryan Spraul, to learn more about the viability of using dog food as a waste substitute.

 

Hey Bryan, I’ve been perusing the internet recently researching how some companies are validating the performance of their RV black tank treatment products and I’ve seen several videos of products being tested on… dog food. What’s the deal with that? Does it actually show how well a product works? Would you consider it an accurate test?

 

 

Great question—and actually, no, it doesn’t. Dog food is, well, food. It’s full of proteins, starches, and fats. And your body is designed to digest that using over a dozen different enzymes.

 

 

 

 

So, if those enzymes break down food, shouldn’t that be good for your RV’s black tank as well?

 

 

Not quite. What ends up in your RV's black tank isn’t food—it’s human waste. Mostly fiber, which your body can’t digest, and a whole lot of gut bacteria. Those food-digesting enzymes are basically useless in that environment.

 

 

 

Aaaaahhh, I see! So, breaking down dog food in a demo looks cool… but doesn’t mean much in real-world black tank use?

 

 

Exactly. It’s incredibly misleading. If a holding tank treatment works on dog food, that just tells you it’s digesting what your body already broke down. Not what’s actually in your holding tank.

 

At Walex, we engineer treatments based on real black tank chemistry. We test on what’s actually in the tank—fiber, bacteria, cellulose and actual human waste—so our products perform where it counts.

 

 

Got it. So, Walex is all about the science—not the showmanship.

 

 

Exactly. When it comes to RV sanitation, trust the science.

 

 

Thank you so much for your time and the awesome clarification.

 

by Tony Butler

The Kleen-Tank Method vs. Professional Black Tank Treatments: Which Wins for RV Owners?

When it comes to black tank care, RVers are always looking for reliable RV tank cleaning tips and DIY black tank cleaning ideas. One popular method growing in popularity is the Kleen-Tank Method—a DIY approach using homemade tank treatments crafted from Borax, baking soda, and citric acid. But how does this natural method compare to professional black tank treatments like those from Walex? Let's dig in.

The Kleen-Tank Method: A DIY Solution

The Kleen-Tank Method involves making cleaning treatments with household ingredients. You mix Borax, baking soda, and citric acid with a few drops of water, form the mixture into balls, and let them dry. Once hardened, you drop the treatment into your freshly emptied black tank along with a few gallons of water. The motion of travel helps the treatment create bubbles and gently clean the tank's interior.

Pros:

  • Cost-Effective: Ingredients are relatively cheap and easily found at grocery stores.

  • Relatively Easy to Make: Once you get the hang of it, mixing and molding the treatments is straightforward—although RV maintenance can be time-consuming enough without making your own cleaning products!

Cons:

  • Limited Sensor and Tank Cleaning: According to Ph.D scientists, the Kleen-Tank Method cleans better than water alone, but your tank would still require a regular professional cleaning (a service that Kleen-Tank provides).

  • Limited Effectiveness: DIY treatments may not break down tough waste or remove heavy sensor buildup.

  • Time-Consuming: Requires time to mix, mold, and dry the treatments before use.

  • No Odor Control: Offers minimal odor protection compared to professional treatments.

  • No Lubrication for Valves/Seals: Could lead to future maintenance issues without regular lubrication.

Professional Black Tank Treatments: Science-Backed and Effortless

Walex, a leader in RV waste management solutions, offers products like Porta-Pak®, Bio-Pak®, and Bio-Fresh™. These black tank treatments are developed by Ph.D. scientists ​and deliver targeted results: effective waste breakdown, odor elimination, and sensor maintenance.

Pros:

  • Effective RV Tank Maintenance: Scientifically-formulated to deliver specific results: Porta-Pak is engineered to control odor in extreme conditions and Bio-Pak and Bio-Fresh use natural ingredients to deliver unmatched digestion as well as odor control​.

  • Easy to Use: Drop a packet or pour the desired dosage into the tank; no mixing, no waiting, no guesswork.

  • Eco-Friendly Options: Products like Bio-Pak. Bio-Fresh and Commando achieve odor control and digestion through natural enzymes, which are biodegradable, environmentally-friendly and septic-safe.

  • Sensor and Seal Care: Walex's enzyme-based product line, which includes Bio-Pak, Commando and Bio-Fresh, restores sensor function and lubricates valves​.

  • Odor-Free RV Living: All Walex black tank treatments provide powerful, long-lasting odor control.

Cons:

  • Cost: Regular use adds a small but ongoing expense compared to no treatment.

Head-to-Head Comparison

Feature

Kleen-Tank Method

Walex Treatments

Ease of Use

 Requires DIY preparation Simple drop-in/pour-in use

Effectiveness

 Mild cleaning only Deep clean and odor control

Environmental Impact

 Natural ingredients Eco-friendly, scientifically tested

Odor Control

 Minimal Strong, long-lasting

Valve & Sensor Maintenance

 None Full care for valves and sensors

Time Investment

 High Minimal

The Final Verdict: Science Beats DIY

While the Kleen-Tank Method offers a fun RV sanitation project, it simply can’t match the effectiveness of professionally formulated treatments. Walex products, like Porta-Pak,. Bio-Pak and Bio-Fresh, offer a hassle-free, proven solution for RV holding tank care that ensures odor-free RV living and long-term maintenance of critical components like sensors and valves.

In short: DIY tank treatments might work in a pinch, but if you’re serious about effective RV tank maintenance and truly clean, healthy tanks, stick with science-backed treatments from Walex. Your RV—and your nose—will thank you.

by Testing Testing 2

The Truth About the Geo-Method for DIY Black Tank Maintenance

For RVers trying to keep their black holding tanks free from odors and clogs, the “Geo-Method” is often seen as a popular, budget-friendly black tank cleaning solution. It involves combining water softeners (like Calgon), laundry detergent, and sometimes bleach to “clean” and deodorize tanks. But while it’s a well-meaning attempt at RV black tank maintenance, it has some serious limitations compared to professionally formulated black tank treatments.

Let’s break it down.

The Appeal of the Geo-Method

The Geo-Method is simple and accessible. Most DIY tank cleaning recipes recommend mixing powdered water softener and detergent with water. The theory is that the water softener helps waste slide off tank walls, and the detergent keeps things smelling fresh. It’s also seen as a natural RV tank solution due to its household ingredients.

However, from a scientific perspective, this method is largely ineffective for long-term maintenance. Walex's Ph.D chemist, an RVer himself, weighed in, saying that "while soft water and detergent may provide some benefit in helping waste move, they do nothing to actually digest or neutralize odor-causing waste compounds​. Plus, many of these methods lack enzyme or bacterial action, meaning they don't break down solids or toilet paper at a meaningful level."

The Science Behind Real Waste Breakdown

Walex products like Bio-Fresh, Bio-Pak and Commando are developed with precise formulations based on lab testing and decades of sanitation expertise. Bio-Fresh and Bio-Pak contain enzymes that specifically target and digest RV toilet paper and another enzyme system targets odor molecules. Additionally, Bio-Fresh contains beneficial bacteria that break down waste and also aid in odor control.

Commando, on the other hand, is a high-strength solution that tackles residual waste build-up and sensor issues in just 12–24 hours. Its powerful enzyme formula not only restores sensor function but also eliminates odors and lubricates valves and seals​.

Unlike the Geo-Method, Bio-Fresh, Bio-Pak and Commando are also safe RV tank cleaning solutions. They’re biodegradable, septic-safe, formaldehyde-free, and compliant with environmental regulations in every state—perfect for those focused on eco-friendly RV care.

Why DIY Just Isn’t Enough

Yes, using plenty of water (as the Geo-Method suggests) is always a good practice, but relying on laundry detergent and softeners is not effective RV holding tank odor control. These mixtures don’t address the root of the problem: undigested waste and odor-causing bacteria.

Plus, DIY mixtures often contain bleach, which is a reactive chemical that can damage seals and tank walls over time​. This makes “homemade RV tank cleaner” solutions not only ineffective but potentially harmful in the long run.

A Better Way to Care for Your RV

Walex’s full suite of treatments—from the odor control powerhouse, Porta-Pak, to the digestion specialist, Bio-Fresh—are scientifically designed for black and grey tank care. Whether you’re dealing with sensors stuck at ⅔ full, foul tank odors, or tough paper clogs, there’s a precise product that solves your problem.

Even Calgon water softener RV tips and tricks can’t match the performance of Walex’s targeted formulas, which are optimized through years of microbial testing and extensive field use​.

The Bottom Line

When it comes to RV sanitation tips, ditch the DIY in favor of scientifically-developed, professionally tested, RVer-trusted solutions. Walex holding tank treatments provide the performance, convenience, and environmental responsibility you need for safe, effective, and odor-free adventures.

by Testing Testing 2

Spring Cleaning Your RV: Get Road-Trip Ready with Walex Cleaners!

Spring is right around the corner, and that means it’s time to get your RV sparkling clean for your upcoming summer adventures! A thorough spring cleaning not only keeps your RV looking great but also ensures everything is in top shape for the road. If you’re wondering how to clean an RV efficiently, we’ve got you covered with the best RV cleaners from Walex, a trusted name in RV sanitation and cleaning. Follow this RV cleaning checklist and enjoy a fresh, spotless RV all season long!

1. How to clean the RV Exterior: wash, wax & remove black streaks and mildew.

Winter storage can leave dirt, grime, and oxidation streaks on your RV. A proper exterior cleaning routine will not only enhance your RV’s appearance but also protect its finish.

  • Wash & Wax: Use Walex Wash & Wax to clean and shine your RV in one easy step. The high-foam formula removes tough dirt while leaving a protective polymer barrier that repels water and road grime​, allowing you to longer in between cleanings.
  • Black Streak Remover: Stubborn streaks from oxidation runoff? Walex Black Streak Remover is specifically designed to eliminate those unsightly marks from your RV’s sidewalls​.
  • Mold, Mildew & Algae Stain Remover: Use Mold, Mildew and Algae Stain Remover to remove stubborn stains from algae, mold, and mildew. It is safe for vinyl, fabrics, plastics, and rubber trim and moldings.

Pro Tip: Always start cleaning from the roof down to avoid recontaminating clean surfaces.

2. How to clean an RV Awning: remove dirt, mildew and unsightly stains

Your awning collects dirt, mildew, and bird droppings over time. Regular cleaning will keep it in top condition.

  • Walex Awning Cleaner effectively removes mold, mildew, dirt, and stains. It also contains a UV inhibitor to protect the awning fabric from sun damage​.
  • How to use: Spray on, scrub with a soft brush, and rinse thoroughly.

RV Cleaning Hack: To prevent future mold growth, allow the awning to dry completely before rolling it back up.

3. How to clean an RV Roof: restore roof's appearance and protect it from the elements.

A clean roof prevents damage and prolongs the life of your RV.

  • Walex Rubber Roof Cleaner & Conditioner is specifically designed to remove road grime, tree sap, and bird droppings while conditioning and protecting the rubber surface​.
  • How to use: Spray on small sections, scrub gently with a soft-bristle brush, and rinse with water.

Pro Tip: Using Walex's Rubber Roof Cleaner not only cleans your roof, but it imparts a UV inhibitor, which protects the roof.

4. Tips for cleaning the RV interior: use the best product for RV kitchen & bathroom.

Keeping the inside of your RV fresh and sanitary is just as important as exterior maintenance.

  • Walex Kitchen & Bath Cleaner is a naturally-derived formula that safely cleans countertops, sinks, and shower stalls​. It's safe to use with grey holding tank treatment products like Walex's Elemonate.
  • Walex Toilet Bowl Cleaner is specially designed for RV toilets, ensuring deep cleaning while being safe for holding tanks​. It's safe to use with black holding tank treatment products like Porta-Pak and Bio-Pak.

RV Cleaning Hack: Always use RV-safe cleaning products to avoid damaging plumbing and seals.

5. How to clean the RV black holding tank: avoid odors & restore sensor function

A well-maintained black tank prevents nasty odors and keeps sensors functioning properly so you know when to empty the black tank.

  • Commando Black Holding Tank Cleaner is an easy-to-use drop-in packet that liquefies waste and paper buildup on black tank walls and sensors, restoring sensor function and cleaning tank in just 12-24 hours​.
  • How to use: Empty the tank, then fill completely with water. Add one packet of Commando. Let sit for 12 to 24 hours, or longer for stubborn issues. Then empty the tank. Agitation or scrubbing is not necessary, and leaving Commando in longer than 24 hours will not harm the tank.

Pro Tip: Continue to use Commando every 3 months to keep your tank odor-free and functioning properly.

6. Stop or prevent grey holding tank odors: keep sinks & drains from smelling.

Your RV’s grey tank collects sink and shower water, making it prone to grease and soap buildup. Start your summer travels fresh with a clean, odor-free grey holding tank.

  • Walex Elemonate contains special enzymes to dissolve grease and eliminate odors​, leaving behind a fresh lemon fragrance.
  • How to use: Drop a tablet into your sink and run water over it.

Eco-Friendly RV Cleaning Products Alert! Elemonate is biodegradable and septic-safe.

7. Finishing Touches: Keeping Your RV Smelling Fresh

No one wants lingering odors in their RV! A fresh-smelling RV makes every trip more enjoyable.

  • Walex Assure Odor Eliminator Spray destroys odor molecules on contact, eradicating foul smells from trash, pets, smoke, mold, mildew, dirty laundry, or sewage. It's completely safe to use around dogs and cats, and is available in four fragrances: Island Paradise, Pure Sunshine, Ocean Mist, and Clean Linen.

RV Cleaning Hack: Spritz Assure under your tank and around your trash cans to ward off nasty smells.

Final Thoughts: Your RV is Ready to Roll!

By following this RV cleaning checklist, your rig will be fresh, clean, and ready for all your summer adventures! Using eco-friendly RV cleaning products from Walex ensures your RV stays in top condition while also being safe for the environment.

🚐 Ready to hit the road? Pick up your Walex RV cleaning supplies today at your local RV dealer and travel with confidence!

by Testing Testing 2

holding tank solutions

You're Going to Love Walex RV's New Premium Products for 2025!

Walex is excited to announce our new products for 2025 that include the latest premium liquid holding tank treatments and cleaning solutions. Designed to meet the diverse needs of RV and Marine consumers, these new products bring superior performance, refreshing fragrances, and versatile options to the market. Many of the new additions introduce liquid versions of Walex’s best-selling holding tank treatments that have previously been available only in a sachet, drop-in form. The liquid versions offer a new solution to satisfy the needs of every Walex customer.

Check out the list below of all our new RV/Marine products for 2025 and be sure to contact your authorized retailer or distributor for information on how to purchase yours.

Bio-Fresh Liquid Enzyme-Based Holding Tank Treatment
A liquid adaptation of our industry-leading Bio-Pak formula that combines advanced enzyme technology for exceptional deodorization and efficient waste and paper digestion. It is available in two refreshing fragrances, Ocean Mist and Alpine Fresh, and comes in three convenient sizes: 32oz, 64oz, and 1-Gallon.


BIO-FRESH - Ocean Mist Scent
BIOFROM32 Bio-Fresh 32 oz Ocean Mist, Case (8/cs)
BIOFROM64 Bio-Fresh 64 oz Ocean Mist Case (8/cs)
BIOFROM1G Bio-Fresh 1-Gallon Ocean Mist, Case (4/cs)
BIOFROM32CA Bio-Fresh 32 oz Ocean Mist, Dual Language, Case (8/cs)
BIOFROM64CA Bio-Fresh 64 oz Ocean Mist, Dual Language, Case (8/cs)
BIOFROM1GCA Bio-Fresh 1-Gallon Ocean Mist, Dual Language, Case (4/cs)
BIO-FRESH - Alpine Fresh Scent
BIOFRAF32 Bio-Fresh 32 oz Alpine Fresh, Case (8/cs)
BIOFRAF64 Bio-Fresh 64 oz Alpine Fresh, Case (8/cs)
BIOFRAF1G Bio-Fresh 1-GallonAlpine Fresh, Case (4/cs)
BIOFRAF32CA Bio-Fresh 32 oz Alpine Fresh, Dual Language, Case (8/cs)
BIOFRAF64CA Bio-Fresh 64 oz Alpine Fresh, Dual Language, Case (8/cs)
BIOFRAF1GCA Bio-Fresh 1-Gallon Alpine Fresh, Dual Language, Case (4/cs)

Citra-Fresh Liquid Holding Tank Deodorizer
This premium liquid product offers a powerful deodorizing solution featuring an invigorating Citrus fragrance. It delivers robust odor control technology and is available in 32oz, 64oz, and 1-Gallon sizes.
CITRAFR32 Citra-Fresh 32 oz Citrus, Case (8/cs)
CITRAFR64 Citra-Fresh 64 oz Citrus, Case (8/cs)
CITRAFR1G Citra-Fresh 1-Gallon Citrus, Case (4/cs)
CITRAFR32CA Citra-Fresh 32 oz Citrus, Dual Language, Case (8/cs)
CITRAFR64CA Citra-Fresh 64 oz Citrus, Dual Language, Case (8/cs)
CITRAFR1GCA Citra-Fresh 1-Gallon Citrus, Dual Language, Case (4/cs)

Commando Liquid Black Holding Tank and Sensor Cleaner
Commando liquid provides a high-powered, advanced solution for deep cleaning and sensor restoration. This scientifically developed formula contains natural enzymes that easily maintain holding tanks with heavy build-up. Now available in a user-friendly 32oz liquid formula.
CMDOLQ32 Commando 32 oz Liquid, Case (8/cs)
CMDOLQ32CA Commando 32 oz Liquid, Dual Language, Case (8/cs)

Elemonate Liquid Grey Water Deodorizer
Elemonate tackles tough grey water tank odors with ease and efficiency. It is now offered in a 32oz liquid option for enhanced usability, ensuring your grey water tanks remain fresh and odor-free.
ELEMLQ32 Elemonate 32 oz Liquid, Case (8/cs)
ELEMLQ32CA Elemonate 32 oz Liquid, Dual Language, Case (8/cs)

Fresh-Pak Holding Tank Treatment
An all-new drop-in addition to our premium line that offers an easy-to-use, high-performance solution for holding tank treatment. It comes in a convenient 30-pack, perfect for effortless maintenance of tank hygiene.
FRESHPAK30 Fresh-Pak, 30 Pack, Case (8/cs)
FRESHPAK30CA Fresh-Pak, 30 Pack, Dual Language, Case (8/cs)

RV/Marine Wash & Wax
Our premium solution combines washing and waxing in one easy step. The high-foam, deep-cleaning formula uses advanced polymer technology, leaving a brilliant, long-lasting shine. Available in 32oz, 64oz, 1-Gallon, and 5-Gallon sizes.
WALWW32 RV/Marine Wash & Wax, 32 oz, Case (8/cs)
WALWW64 RV/Marine Wash & Wax, 64 oz, Case (8/cs)
WALWW1G RV/Marine Wash & Wax, 1-Gallon, Case (4/cs)
WALWW5G RV/Marine Wash & Wax, 5-Gallon, Single (1)
WALWW32CA RV/Marine Wash & Wax, 32 oz, Dual Language, Case (8/cs)
WALWW64CA RV/Marine Wash & Wax, 64 oz, Dual Language, Case (8/cs)
WALWW1GCA RV/Marine Wash & Wax, 1-Gallon, Dual Language, Case (4/cs)
WALWW5GCA RV/Marine Wash & Wax, 5-Gallon, Dual Language, Single (1)

Walex is committed to delivering premium, versatile products that align with your unique preferences and needs. Our expansion reflects our dedication to innovation and our mission to offer comprehensive solutions for every holding tank and cleaning challenge.

by Tony Butler

Exciting Launch: Popular RV Tank Treatments Now Available in Liquid Formulas

Walex is revolutionizing the RV and marine sanitation market once again with the launch of four innovative liquid formulas in 2025. Meet the new lineup: Bio-Fresh, Citra-Fresh, Elemonate Liquid, and Commando Liquid. These products build on Walex's legacy of superior sanitation and odor control while offering eco-friendly and user-friendly solutions. Here’s what you need to know:

Bio-Fresh: The Eco-Friendly Odor Fighter

Bio-Fresh is the perfect companion for RV and marine holding tanks. Designed with an innovative enzyme formula, it eliminates odors naturally while breaking down waste and paper, eliminating the need for special RV toilet paper!

  • Features:
    • Biocide-free and formaldehyde-free.
    • Safe for septic systems and environmentally sensitive areas.
    • Provides long-lasting odor control with a pleasant fresh scent.

Perfect for environmentally conscious RVers, Bio-Fresh ensures your tank is clean and your adventure is green​​.

Citra-Fresh: Odor Control Meets Citrus Bliss

Citra-Fresh brings a touch of luxury to RV sanitation. This liquid deodorizer combines powerful odor control with a natural citrus fragrance for a premium experience.

  • Features:
    • Cleans sensors while breaking down waste and toilet paper.
    • Formaldehyde-free and non-staining formula.
    • Provides up to 7 days of odor control.

Citra-Fresh is ideal for anyone who values both effectiveness and a delightful scent​.

Elemonate Liquid: The Ultimate Grey Tank Deodorizer

Now available in a liquid formula, Elemonate offers unmatched grey tank maintenance. It dissolves grease, food particles, and soap scum, keeping your grey tanks and drain lines odor-free.

  • Features:
    • Triple-action formula: deodorizes, cleans, and freshens.
    • Leaves a fresh lemon fragrance behind.
    • Quick-acting enzymes that are septic-safe.

Whether in your RV or home sink, Elemonate Liquid keeps your plumbing fresh and free-flowing​​.

Commando Liquid: The Game Changer that Restores Sensor Function

Say goodbye to stubborn buildup and false sensor readings with Commando Liquid. This concentrated cleaner works in as little as 12 hours to restore your black tank to like-new condition.

  • Features:
    • Supercharged enzyme formula for deep cleaning.
    • Restores sensor function and lubricates valves.
    • Easy-to-use liquid that’s perfect for periodic maintenance.

Make Commando Liquid a part of your tank care routine and ensure smooth RVing all year long​​.

Why Choose Walex’s Liquid Formulas?

Walex’s new liquid formulas offer precision dosing and premium performance. Whether you’re a weekend warrior or a full-time RVer, these products are engineered to make your adventures stress-free and environmentally responsible.

Start your 2025 travels with Walex’s new liquid solutions. Your RV deserves the best care, and Walex delivers it with innovative, high-performance formulas that cater to every need.

Happy Adventuring!

by Testing Testing 2