We bought a house with a septic system a little over 4 years ago. At the time we were told "don't use Rid-X". I was told that you could flush yeast down the drain (cheaper and did the same thing, supposedly). I was also told that you could use road kill or a dead chicken. We haven't done any treatment (our septic will probably die next week, now that I've said that).
There is some info in the following thread that I posted when we bought this place.
https://forums.pelicanparts.com/off-topic-discussions/1073916-water-wells-septic-systems-what-should-i-know.html
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Steve
'08 Boxster RS60 Spyder #0099/1960
- never named a car before, but this is Charlotte.
'88 targa
SOLD 2004 - gone but not forgotten