well, I don’t know. I bought a book on septic systems. I shoudl read it more carefully. we don’t put food down the sink. there’s one less person around here. i usually poop away from home. thanks. i’m going to keep a chart. however it definitely needed to be pumped cause it was overfolowing some cause the filter was cloged. dude said the filter wasn’t really necessary but i was a little hesitatnt to just toss it…
also when we bought the place, the leach field was plugged up and the septic was backing into the house, which makes me feel like regular maintenance is probably a good idea generally.