6. Bath Oils and Solvents
Putting a bit of baby oil in your bathtub may leave your skin feeling ultra-soft when you get out, but it’s not such a great option for your septic tank. Once it washes into your septic tank the oil forms a layer of scum that coats the floating waste. The bacteria are then unable to penetrate the oil, preventing it from breaking down the waste. The oil flows throughout your system coating everything, reaching the soil in the drain field clogging it.
Never flush paints, solvents, pesticides, oils, or anything inorganic as they will kill the bacteria or clog the lines.