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Question DetailsAsked on 1/4/2016

What is the best toilet bowl cleaner to us when on a septic system?

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1 Answer


Generally, with moderate use, any are OK - the tank is large enough to absorb a pretty good amount of normal use household cleaners without damaging it. The ones that do NOT claim antibacterial action will kill the least number of the biodegradation "bugs" that make the septic system work, but also do not disinfect the toilet either. Ditto to ones that say the ingredients are "all natural" - probably hve less impact on the septic system but generally are less effective in actually cleaning too.

Generally, just avoid pouring a large amount into the toilet bowl - a spray bottle type is therefore better than one where you pour it from the bottle into the bowl and then scrub.

Check label to see if it says septic system safe. Specific ones labelled for septic system use availalbe from Clorox (GreenWorks) and Rid-X among others.

Also - bad for septic systems - constant dosing with chlorine from toilet tank chlorine bleach tablets or dispensers.

Very bad - solvent like dry cleaning fluid or garage/automotive cleaning fluids or solvents - not only in terms of damaging the biodegradation, but also dissolving plastic pipe and being an explosion hazard.

Answered 4 years ago by LCD

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