Racer I had the same problem before, think I mentioned up top and I'm trying to wait it out but after a week and 1/2 it's still rising 2 points a day.....I just don't get it...

Will......I'm definitely going to try that next time first...thanks for the tip.
Weedhound Reviewed by Weedhound on . Has Anyone Else Had This Problem with Hydroton? It's raising the ph of my water in my hydro system uncontrollably. This is the same issue I had with it before and was the original reason I switched to higromite rocks. At the time I used it before however, I was not using RO water which I thought would make a difference when I switched back but it hasn't.....at all. I rinsed the rocks and let them soak thoroughly before use.....there was very little dust on them afterwards. I ran the system for two days to disinfect it and have had Rating: 5