Hawii_ReLoaded commentedweek 32y ago
It's extreme that such strong CalMag deficiencies are already appearing here. Unfortunately, the BioBizz soils and many other ready-made soils are often not well limed for LED lighting. I would generally recommend adding 2 tablespoons of basalt, and 1 tablespoon each of gypsum (calcium sulfate) and crushed limestone to the final pot. You can also use it in a small dosage for starting seedlings. This way, such deficiencies will be a thing of the past. At the beginning of flowering, you can top dress again with gypsum and basalt. Just a tip! 😉✌️
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