I bought the oxy whatever black tank treatment from Walmart to give it a try. It works but not very well. I found paper and stuff didn't break down very well at all and oder control was better then nothing but not great. I had to flush my tank a few times and the sensors are still not clean. I guess I'll break down and order the Potty Toddy's from Camping World. They always worked great, never a problem. I hate paying shipping but since they closed our Camping World I have to order on line or buy from Walmart and Walmart doesn't carry Potty Toddy's.
a black tank is a holding tank, not a septic tank. nothing needs to be broken down, just flushed out into the septic system/sewer. use plenty of water and install a tank flusher.
bumpy
heres a trick;before a trip dump a bag or two of ice down the potty,with the bumps,turns ect,the ice knocks debris off of sides and sensors thus melts and drains.
Thanks for the idea Dean.
Buying a used unit, we dont think the PW did a good job of maintaining the tank as should be done.
Even after dumping the tank and cleaning, the sensor shows about 1/4.
Ill try the ice idea on our next trip.
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