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Slurry tests of my coco shows 4.9ph. I was over feeding these plants a couple weeks ago and my coco runoff was up to 1200ppm so I flushed with very light nutrient solution down to 450ppm. I believe the salt buildup caused a ph drop in the rootzone which started causing a calcium deficiency...

Its only on the top most buds, the new growth seems a little thin and curled under around the edges? I wondering if its light stress. They are 10" from a 300watt LED and I cant make any more vertical space unfortunately. Something to worry about? Beginning of week 3. Feeding 700ppm NPK base...

I vegged too long for the SOG grow I was planning in my 2x4 so I topped once to try to limit vertical growth. Now I'm out of lateral space as well and they are now starting week 2 of flower so theyre going to stretch like crazy still. My light is at the top of the tent already. The leaves...

Jack herer, coco, AN ph Perfect nutes, marshydro tsl2000, late veg, ambient 78°f 40%rh, rootzone 65°f. I am mostly chalking this up to genetics because the plants are behaving and looking healthy. But the new growth has a sheen to it. It looks cool honestly. Its not quite yellow like in the...