That you throw it in toilet, crush it in the trash can or pour it in the kitchen sink, the shower or the bath, all which passes by in your sewers finished in your septic tank. What takes place in the sewers affects the functioning of your septic system.
• Avoid chemical solvents for a clogged drain. Instead of it, use some boiling water or a snake of drainage.
• Never pour or dispose of fat of cooking or oil into sewers.
• Never pour oil paint, solvents or big volumes of toxic cleaners in sewers.
Even the waste of latex paint should be minimized.
• Eliminate or limit the use of a waste disposal unit. It will allow reducing considerably the quantity of fats and solids which penetrates into your septic tank and, after all, blocks its field of drainage.
Disinfectants in large quantities (ex: bleach)