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    Leaf Tips Turning Brown at Day 32 of 12/12

    For about a week I've noticed the tips of some leaves are turning brown. At first I thought some leaves were showing a slight mag deficiency, so I foliared a weak epsom solution. The leaf-tip browning continued to progress so I thought nute burn. I lowered EC from 1.8 to 1.4. Now several...
  2. C

    Potassium Silicate - K2SiO3•nH2O

    I found 1 Kg of chemically pure Potassium Silicate (K2SiO3•nH2O) for under $10 from my chemical supply. It seems so many people are opting to rather purchase diluted solutions so I'm having trouble finding how much to add to my nutrient solution (Jacks 5-12-26). The composition is: K20 -...
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    Need advice on my clones

    My 20 clones are at day 15 now and have not popped roots. They all look perky with some of the lower fan leaves starting to yellow a little, which is apparently considered normal. Growing impatient, I gently pulled apart the rockwool on two of them to check if they are even growing at all. See...
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