Howdy, Been RVing for many years (about 47). In our recent past ,say 6 or 8years we ave been using the Walex Bio-active holding tank stuff. We get this from Campers World and then they get us. We a...
Anonymous
Mar 30, 2017
Approved
I've always just used the cheapest dish soap and fabric softener. Normally I just get whatever's at the dollar store. It works just fine.