Sideburns on leaves [Hydro]
Expl0rerstarted grow question 6y ago
I had turnedoff the Fan on monday and still the burnsides on the leaves kept on increasing as now on Tuesday.
What kind of issue do i have? im clueless.
They had their nutrient based feed daily once. But it seems they are also overwatered now on tuesday
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MrGreenMananswered grow question 6y ago
Your ppm is ridiculously high for seedlings. You only need about 200ppm at this stage. Plus looks like light stress hence the curling sides. If your light is at that distance you state then it’s probably way too high. Only need around 200 ppfd at this stage. Should be about 30 inches above plants. Refer to the manufacturers recommendations
Expl0reranswered grow question 6y ago
Thank you very much for that quick and excellent comment. I will try to fix the issues.
I have the power supply at 600ppm.
Tap water is 340ppm here.
i started feeding yesterday as indicated in Vitalink's schedule. But then I took the minimum. instead of 1/2ml/l I did 0.75ml/l.
With a bit of ph down this resulted in a ppm of 600.
What can i do?
I should use filtered water with nutrients?
or can I only use tap water without nutrients till they have grown bigger to consume a higher ppm?
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