Rather than buy nasty and expensive chemicals for the waste tanks try using a 1 2 cup of good old borax laundry detergent and 1 4 cup of water softener.
Cleaning rv black tank with borax.
The third ingredient is citric acid.
If you ve been using the geo method you ll already have two of the ingredients on hand needed to make rv black tank cleaning bombs.
After emptying the black tank then empty your gray tank.
Citric acid in the rv holding tanks.
This helps to further clean and deodorize the tank.
Borax serves as an excellent cleaning agent.
While it doesn t hurt the tank it really doesn t add much value in order to keep rv tanks clean so we see no point in adding it unless we re out of the calgon water softener.
Dissolve approximately a half cup of water softener into a quart a hot water and flush it down the toilet.
Then add a cup of bleach to the rv holding tank by dumping the bleach down the toilet.
No driving around this time.
Cleaning your rv s black water tank is relatively simple once you learn how to do so.
Once the rv holding tank is full be sure to drain it.
Technically if you use borax you should also add it to a gallon of hot water first.
Maintaining your rv s black water tanks also known as waste tanks or holding tanks is probably the least glamorous part of rv life but regularly cleaning your sewer system will help prevent unpleasant odors prevent clogs in the system and keep your tank sensors working correctly.
You can also use a hose to run water in from outside.
Using dawn blue dish soap in the future.
As an added measure many rvers include cup borax to the black tank along with the detergent.
Once the tank is full wait 5 minutes and then drain it completely.
The borax detergent helps control odor and cleans the tank.
We can t be putting that in our tanks.
Start by dumping the black tank and then fill it to 2 3 full of water.
After dumping fill the tank with clean water by flushing or pouring clean water into the toilet.
Then fill the tank until it s full.
I can hear you from here.
Next dissolve approximately one cup of liquid detergent into a quart of hot water and flush.
It s not safe have no fear.
The borax and baking soda.