Never flush
- Wipes — including "flushable" ones
- Paper towels and tissues
- Feminine products and diapers
- Dental floss, cotton swabs
- Cat litter
- Medications
Never pour
- Cooking grease and oil
- Paint, solvents and thinners
- Large amounts of bleach or drain cleaners
- Pesticides or automotive fluids
Go easy on
- Garbage disposals
- Many laundry loads in one day
- Long, frequent baths in a small system
Why it matters
Solids that don't break down fill the tank and clog the field. Chemicals kill the bacteria that do the work — especially important in advanced systems.
Common questions
Are septic-safe products really safe?
Normal household use is fine; avoid large amounts of harsh cleaners.
Do I need additives?
Generally not.
Can I use a water softener?
Ask about where its discharge should go for your system.