Salts h20 vs reef crystal

[cale262]

Have been using h2o almost exclusively for the last year, I've never seen any dirty residue left inmy mixing tanks...

Last boxing day I bought the io product, had loads of issues when I tried using it so I went back to the h2o and havent had any problems...still have most of the io left over, I use it. In q and holding tanks only now.