K I'm looking at getting a reactor but not sure exactly how it works. Is the co2 like the same co2 one would useforpaintball canisters? Second question. The water gets lower ph lvl in order to dissolve the media. But when it returns isn't the water still a lower lvl of ph, wouldn't it affect the ph lvl,? From my understanding it's suppose to stabilize ph. I don't quite get it. Can someone clear this up for me