rodi

Hi Guys, I have an under counter RO System that we installed about a year ago, I got a TDS Meter from my LFS and got around a 9ppm reading. I understand that that is ok for use on marine tanks? I also heard that you have to use a DI resin with the RO system that could help bring the TDS down...

Hi there everyone. So I have finally pinched my eyes close and acquired my first tests for checking some parameters after running my first and only reef setup for almost 2 years now. The main reason for this is I have been struggling since day one with unbearable amounts of algae and as I have...