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dosing pps-pro but still getting holes in leaves

5335 Views 24 Replies 6 Participants Last post by  ShaneSmith
I believe it is potassium deficiency that shows as holes in the leaves.I was wondering if I can make another solution of potassium and dose this along with the already dosed pps-pro mix? What is the proper soulution to make here? How many grams per ml should I make and at what dose should I use?
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Please elaborate on this cooked lettuce method. thanks
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