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Old 10-24-2017, 04:22 PM   #1
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Default Peeps, I gotta question

I have had some issues with Pythium in my hydro setup of late. I have heard people using H2O2 to help prevent that. I have never had to deal with that until this year. I got a chiller that keeps my rez around 66f-70f depending on outside temps. (small grows are a challenge to maintain temps correctly). I only have the regular hydrogen peroxide. Does anyone know how much I should use for preventative?
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Old 10-24-2017, 11:23 PM   #2
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5 ml/gal is what I used, till temps lowered.
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Old 10-25-2017, 03:34 AM   #3
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Cool thanks. This last run I didn't get Pythium but I want to make sure nothing is left hiding in my system. I did get real dark roots in my system but I felt of them and they didn't feel slimy or dead like the previous run. I think they are getting stained from a nutrient that I am using but not exactly sure.
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Old 01-09-2018, 12:33 PM   #4
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I like to keep the water from even reaching 70 because the area between the water level and your lid will be over 70. I never leave anything in my rez. other than my nutes. If I notice any sliminess I start a rez change but while the lid and roots are out, I spray H2O2 right on the roots and after a few seconds, I flush thoroughly with Ph only water. Then put the lid with plants back into a fresh rez.
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Old 01-16-2018, 01:51 PM   #5
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Since getting my water chiller setup going, I have been able to maintain a very steady 68f in both of my reservoirs. Havent had anymore trouble with Pythium since then.
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Old 01-16-2018, 11:30 PM   #6
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Having to maintain water temps and airstones is probably what drives me away from dwc. You just have a wider temperature range when using an airy medium.
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