Originally Posted by anamilasti
seroulsy, why wold you want to use rain water?
ur better off with tap water, and u said u have an ro unit??? im kina confused on ur thinking
and im not a pro but if u wnat my opinion get rid or ur hob filter, a refugium is the way to go with a reef, fish only it would be ok.
and just use ro water. no worries with that
As he said when he started this thread, he goes through filters very quickly because his water is so bad in his area. I have the same problem.
Frankly I think it would be pretty cool to know how well it would work to use rain water.