Portable Sanitation
How to winterize your portable toilets
Walex’s leading line of portable sanitation products will keep your portable toilets smelling fresh, but what do you do when frigid winter temperatures cause the contents of those portables to completely freeze? You can’t service frozen toilets, so it’s critical that you winterize all your equipment, especially your portable toilets. How you do that depends on just how frigid your climate is, but here are a few general tips to keep your operation running through the winter season.
Take me straight to the freezing chart
You can start by proactively preventing freezing. Tuck your units up against a wall instead of leaving them out in the open, exposed to the elements. Wind chill can cause your portables to freeze even faster. Also keep a close eye on the 10-day weather forecast. That way you won’t be scrambling to winterize your portables or run out of time and end up with a fleet of frozen units.
The next step in winterizing is adding a mixture to your holding tank to prevent the liquid from freezing. Depending on the temperatures you’re dealing with, you’ll need some combination of salt and water (brine), methanol and water, or salt, methanol and water. There are pros and cons to each.
Brine will only protect you down to about 0 ° F. You can make your brine using rock salt or calcium chloride pellets. Mix with water according to the chart below and circulate the solution.
Below 0 ° F, start adding methanol to your mixture. On the plus side, you don't have to wait for methanol to dissolve like you do salt. But you must be cautious when working with methanol because it is harmful to your health if you inhale the vapors for too long or accidentally ingest it. Methanol mixed with water is also flammable when the percentage of methanol exceeds about 30%.
The chart below will help you create your winterization mixture. For all your sanitation and deodorization needs, contact the experts here at Walex.
PORTABLE RESTROOM FREEZING CHART
SALT
½ lb. per gallon of water protects to 26 F
1 lb. per gallon of water protects to 19 F
1 – ½ lbs. per gallon of water protects to 11 F
2 lbs. per gallon of water protects to 0 F
(Note: 2 lbs. of salt is the maximum amount dissolvable in one gallon of water.)
METHANOL
5% or 6.4 oz. per gallon of water protects to 28 F
10% or 12.8 oz. per gallon of water protects to 22 F
15% or 19.2 oz. per gallon of water protects to 17 F
20% or 25.6 oz. per gallon of water protects to 11 F
25% or 32.0 oz. per gallon of water protects to 4 F
30% or 38.4 oz. per gallon of water protects to –4 F
(Note: Methanol and water mixtures can be flammable when the percentage of methanol exceeds about 30%. Refer to Methanol Material Safety Data Sheet for health and safety data.)
SALT & METHANOL COMBINED
Start with maximum salt solution, then add methanol at:
5% or 6.4 oz. per gallon of water protects to –6 F
10% or 12.8 oz. per gallon of water protects to –11 F
15% or 19.2 oz. per gallon of water protects to –17 F
20% or 25.6 oz. per gallon of water protects to –21 F
25% or 32.0 oz. per gallon of water protects to –30 F
30% or 38.4 oz. per gallon of water protects to –40 F
(Note: Methanol and water mixtures can be flammable when the percentage of methanol exceeds about 30%. Refer to Methanol Material Safety Data Sheet for health and safety data.)
Restore Your Black Holding Tank To Good as New
Commando Black Holding Tank Cleaner is a safe and natural cleaning product for portable restroom trailers’ holding tanks. This eco-friendly product will go to work on your trailer’s holding tank by dispersing billions of healthy enzymes that break down the waste buildup that causes odors within as little as 12 to 24 hours.
Black holding tanks can be a problem. Whether it be a restroom trailer or holding tank, they get a lot of use, and hold a lot of odors. Commando ensures that these tanks start clean and odorless, and that the valves, seals, and sensors stay debris-free, lubricated, and working properly.
- Effective waste digestion & sludge removal
- Easy-to-use dissolvable packet
- Septic tank safe
What sets this product apart from other comparable products on the market?
Our unique formula utilizes a higher concentration of active ingredient to more effectively break down and digest waste while also removing sludge and debris. This allows for a quicker response time and a more overall efficient process than competitors. Walex chemists developed the formula and thoroughly tested it before releasing it to the consumer.
How do our customers in the portable sanitation industry use it?
The multi-purpose Commando packet offers a variety of uses within the Portable Sanitation market. With its ability to quickly aid in the digestion process, this product spans its uses to holding tanks, portable restrooms, trucks and any tank application where waste, paper and sludge may accumulate. Portable restroom companies use the product to not only maintain their physical asset—their trailer—but also to improve their company image by keeping their customers happy. Because Commando so effectively cleans odors and residual waste from black holding tanks, it makes the experience of using these portable restroom trailers more pleasant. Our customers also use Commando to clean the tanks in their older portable restrooms and office trailer holding tanks.
What kind of research and development went into this product? Why is it a good fit for the industry?
Our highly experienced R&D chemists developed the formula in the lab on toilet waste to make sure the enzyme activities would be appropriate for waste breakdown. The product underwent rigorous testing to ensure highest quality of standards for product performance. This not only makes the life of septic and portable operators easier, but it also protects their investment and money spent on equipment.
What has been the feedback you’ve gotten from customers that are using this product in the field
Our customers are pleased that Commando not only works as advertised, but it thoroughly deodorized even those trailers with residual odor issues prior to placement on site. Our customers have told us that Commando helped completely restore function in their sensors, aided in the extra life expectancy of their equipment, and reduced odors in both their portables and holding tanks. Consequently, our customers are able to keep their customers pleased and impressed.
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