ro system

Hello everyone; first time poster, long time lurker; I did the plumbing to my whole home on my own with help of online resources, especially this great forum! I have previously installed an undercounter RO System from ExpressWater; the family loved the water quality however we then moved to...

I'm in the process of installing an RO system and have a question about where the hole and drain saddle should go. I've already drilled the hole of the drain saddle (you can see where in the attached picture, on the vertical plastic pipe coming down from the sink). When i drilled the hole some...

Is there any annual or biannual maintenance required on Pentair GRO-75EN Encapsulated GPD Membrane? Such flushing etc. ? Is anybody doing any type of service when its time to change other RO system filters? I just noticed recently that it has 200ml/min FRCT which seems small for 75 GPD...

I have a 4 stage RO system and its time to replace the filters, a friend of mine recommended to add Omnipure 2" x 10" Inline Calcite Filter (K2548) after the RO membrane (GRO-75EN) but before Omnipure K2540-KK. The friend swears that water will taste better and will be more healthy. My RO...

Hi guys, new to the forum. Lots of helpful stuff here, looking to get some feedback on well filtration setup. I know you guys say there's no "one size fits all", so I'll give details from our water testing. The current setup is just a cartridge sediment filter and a calcite based neutralizer...

Hi everyone ! Our demineralized water system (DWS) has inlet water contain 5ppm HCHO. Our process include: Carbon filter => RO => Cation resin => Anion resin => Mixbed. Whether our DWS can treat HCHO (5ppm) ? Is there any other solution to treat HCHO in water? Thanks very much !