On Wed, 4 Sep 2019 13:50:02 -0700, Bob F wrote:

Ever hear of "google"?

Who knew they purposefully chlorinate home septic systems!
https://inspectapedia.com/septic/Chlorine-in-Septic-Systems.php

Who knew chlorine is fine but drain cleaner is orders of magnitude worse!
https://www.houselogic.com/organize-maintain/home-maintenance-tips/caring-for-your-septic-system/
"One study found that it took nearly two gallons of liquid bleach but
only about a teaspoon of chemical drain cleaner to kill the beneficial
bacteria in a septic tank."

Who knew some septic systems discharge chlorine into surface water!
https://laundry-alternative.com/blogs/news/chlorine-tablets-for-septic

Moderate use of chlorine is apparently no problem.
https://advancedsepticservicesfl.com/chlorine-bleach-septic-systems/
"Moderate use is the amount used in one normal size load of laundry (3/4
cup) or the amount used in an application of toilet bowl cleaner."

Who knew they use calcium hypochlorite for treating septic systems:
https://www.vdwws.com/2014/01/septic-system-no-nos-using-pool-chlorine/
"They are very reactive and will kill 99% of the bacteria present in the
effluent within 10 minutes."
https://www.septicsolutions.com/septic-parts/septic-care-products/septic-chlorine-tablets