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Root discoloration


Active Member
I grow in DWC systems and one of them is using 5 gallon buckets to Veg my plants and then transfer them to a Current Culture DWC system to flower. I have a water chiller on my flowering system but I don't have any H2O cooling for my 5 gallon buckets. I have wrapped my buckets in insulation and I use ice packs to cool of the water in the buckets.
My problem is the SUMMER! I can keep the water temps between 68 and 74 F and think this is the reason the roots of the veg plants are yellowing and not white. Does this sound right and what if anything except lower water temps is going to solve my problem?
Love to hear some advice, Thanks
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