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Base nutes only. A little H202. I only use synthetic nutes.

I went and talked to a hydro guy today. He is researching it for me. He said I can use up to 10 ml per gallon per day of 35% h2O2 if I have to. That sounds a little excessive to me (OK, more than a little). I have heard of folks using 5 ml per gallon a day for sick systems. Im at 2 ml now...

Low to mid 60s. I have chillers on all my systems.

Thank you for the reply. I seem to have a particularly bad strain of pythium. In my DWC I was running a 110 liter per minute pump with one 10 inch flat air stone per 10 gallon tub. So much aeration the water looked like it was boiling. Did not matter. The roots would grow to a few inches...

Hello, I have been doing hydro for a few years. About a year ago I started getting a bit of rot in my DWC system. Each crop I would lose a plant or two. I had three small systems. 1 dwc, 1 homemade ebb and gro type and 1 low pressure aero. I was using 1 ml per gallon H2O2 in that system...