Hello everyone! I just started growing in my first waterfarm about a week ago. I've got a Think Different Autoflower in it, and it seems to be getting a slow start. The pH of my water was stabilised at 5.5, but when I run it through the system overnight it went up to 6.5 , and I can't get it to go down. I don't want to put to much pH down in it. I think I might not of rinsed the rocks good enough after reading this thread. I didn't soak them. I just ran clean RO (7.0 pH ) water over the rocks a few times. Is it the rocks that are giving me trouble because I didn't soak them in pH 5.0 water? great forum by the way.
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