septic system/fabric softener Home › Forums › Public Forums › Drainage & Sewerage › septic system/fabric softener This topic has 1 reply, 2 voices, and was last updated 23 years, 5 months ago by John Aldrich1. Viewing 1 reply thread Author Posts 6 Apr 2001 at 10:18 pm #278952 gypsy I have heard that fabric softener used in the washing machine is bad for septic systems/cesspools. Is this true? What kind of damage does is cause, if any? 6 Apr 2001 at 10:44 pm #299673 John Aldrich1Participant Christina, not true, just follow the label instructions. JWA Author Posts Viewing 1 reply thread You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In