filtered water

Hello there, I come from a city that has fluoridation and chloramine added to the water. I believe they are less than 10mg/L (<10ppm) each. However, I can't get a solid answer on this one. I'm wondering, is it absolutely necessary to get an RO filter? How easy are they to install (if it is...

One problem I have had with coco is keeping the ph in the coco stable. When ever I used store bought water, it was super easy to keep the PH stable because the water's PH is stable and my nute's PH is stable; however, that water is expensive. But, I found a solution. R/O vs dispensed...