Rote Blattspitzen
daveHHstarted grow question 4y ago
Red / yellow leaf tips on my Royal Runtz. I don't know what to do, can someone please help me? I just watered with 1ml/L Calmag because I thought it might be a Calmag deficiency, but that didn't help. I would be very grateful for any help!
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b_dealanswered grow question 4y ago
Hi mate,
For fertilizer problems all you have to do is a runoff test. Measure the EC in plain water(typically between 50-150 PPM) and water the plant with problems. Collect the runoff water from the tray and measure the EC again. I've seen some growers reading 6000 PPM(EC 12) from the runoff and that means your plants roots are almost burning :)
If you read something below 400-500 PPM then you are feeding at the proper dosage. In this case there can be a problem with the fertilizer ratios but for %99 times people overfeed their plants. Focus on the first scenario for now. Let me know what you read when testing the runoff water with an EC meter.
Hope these will help.
CRiSPrGrowanswered grow question 4y ago
hey there Dave, you're right about magnesium issues, the thing is it will take more than a few days to recover. Right now you're on a heavy light cycle, so that's why the plant needs more Mg , since giving more Mg doesnt help, that means the plant needs more than it can absorb, so what you need to do is reduce your light cycle by a few hours, maybe try 14/10. hope this helps ! 🚀
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