If you keep corals, the single most useful piece of hardware in your cabinet is rarely the one you get excited about. It is the reverse osmosis systems for reef tanks setup that quietly turns tap water into something close to chemically empty before your salt ever touches it. I have spent years watching reef […]

If your tap water tastes flat, smells faintly of chlorine, or makes ice that smells like a swimming pool, a reverse osmosis system will fix it for less money than most people expect. Our best overall pick is the iSpring RCC7-BN, a 75 GPD NSF/ANSI 58 certified unit that has been in continuous production for […]