has anyone use their products before? prices seems reasonable, any suggestion which one to get , i have a 120 gal tank and need 1gal a day for top off plus reg 10% water change every 2 weeks.
thx in advance
http://www.thefilterguys.biz/ro_di_systems.htm
thx in advance
http://www.thefilterguys.biz/ro_di_systems.htm