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calcium and magnesium deficiency symptoms?
bypado_farmstarted grow question 3 years ago
ph balanced, 6.4 - 6.5
lamp distance from 45 to 65cm now (serrated edges and curling up)
no water with nutrients fell on the leaves. I will try to not spoon feed everyday in this substrate (biobizz all mix)
didn't see any bugs under leaves( no microscope)
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Leaves. Other
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ojetepelonanswered grow question 3 years ago
look in amazon, they've a cheap TDS PPM meter and cost more or less 10 bucks, don't need calibration and will give you a point to start to know if the water have enough salts disolved.
<127ppm=<0,199ms/cm3 in flowering they need more Ca and Mg so you'll need to use a calmag product and raise it up till you get 250ppm (0.399ms/cm3) always check the tap water without any fertilizer and when you reach 0.4 you can start with the feeding schelude.
bypado_farmanswered grow question 3 years ago
could be wrong PH balance? Should I flush them?
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bypado_farmanswered grow question 3 years ago
I calibrated my PH meter, all good. Could be uncalibrated before, idk tbh.. It's not a cheap one, and I do not have an EC controller
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ojetepelonanswered grow question 3 years ago
IMHO get a cheap TDS meter or even better a good EC meter, even if the cheap one have a deviation of 5% is more info than nothing right?
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