french drains Home › Forums › Archives › Old Bulletin Board Archives › french drains This topic has 0 replies, 1 voice, and was last updated 24 years, 7 months ago by lester gibson. Viewing 0 reply threads Author Posts 29 Aug 1999 at 10:39 pm #281425 lester gibson I want to install a french drain to handle grey water from the clothes washer. max daily usage 100 gals. Author Posts Viewing 0 reply threads The forum ‘Old Bulletin Board Archives’ is closed to new topics and replies.