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Curling, twisting, dark/burnt tips

Capo420
Capo420started grow question 2 years ago
I see defiencies/ excesses I'm just unsure of what is going on. I am putting in a nutrient ppm of 500ish and getting out 440-500ish in run-off. Ph going in is 5.8 pH coming out is 6.5-6.7. I have heard coco will buffer to 6.5..running out of room here.. any ideas?
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Week 7
Plant. Other
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m0use
m0useanswered grow question 2 years ago
When in doubt flush them out with more solution till you get your desired PH. Your in hydro and this is a nice and easy way to fix it. Coco also tends to do this, buffer build up. I would flush with PH'd water and a week solution of calmg 1ml/l Will help fix any cation exchange sites that may have opened up as its degrades throughout the grow. Follow though with your scheduled nutrients when you hit your PH mark. Good Luck!
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ChameleonsCannabis
ChameleonsCannabisanswered grow question 2 years ago
Maybe looks like they need more food but at the same time looks like a heat problem. Not saying your lights are too close but if my growroom gets up to low mid 80s my plants be "burning no concern with what nobody gotta say"(Sean paul) lol but that's my guess
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