SDcampowneroperator wrote:
PLEASE Do Not use bleach! It kills all the bacteria in septic systems. Even an ounce in 5 gallons of water is devastating to the digestive bacteria in septic systems.
It's not a "septic system", it's a holding tank. The stuff is (hopefully) not going to be in there long enough for the bacteria to do any good. I don't use bleach because I don't like the smell and there are better alternatives.
What you don't want to use is the tank deodorizers that contain formaldehyde. It builds up after a while and is probably the biggest reason tank sensors stick.