im looking for a less expensive RO/DI filter. i found a few on ebay. do they work like their supposed to(will my water end up at 0ppm and pH 7 or less)? and is 3X RO filtering necesary or any more beneficial?
heres two..
7 stage 100GPD RO+(3X)DI Reverse Osmosis Water Filter - eBay (item 110336068378 end time Jan-14-09 18:21:59 PST)
Zero 0 ppm Reef 4st Reverse Osmosis RO+DI Water Filters - eBay (item 120361836081 end time Jan-15-09 18:34:39 PST)
heres two..
7 stage 100GPD RO+(3X)DI Reverse Osmosis Water Filter - eBay (item 110336068378 end time Jan-14-09 18:21:59 PST)
Zero 0 ppm Reef 4st Reverse Osmosis RO+DI Water Filters - eBay (item 120361836081 end time Jan-15-09 18:34:39 PST)