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Rusty leaves
Sikalafon420started grow question a year ago
Problem rusty leaves my tap water is 150ppm total ppm is 500 with nutrients without any calmag ph is 5.7-6.0
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Leaves. Other
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Robertsanswered grow question a year ago
It is calcium deficiency. And if ph is not stable then the feed amount is not right. If ph goes down feed is too strong, if it goes up then feed is not enough. From my experience I am betting it is going down. 2 of mine both did this, and got a strong dose of nitrogen just like yours. .1 ph in Hydro is a big change in what nutrients the roots can absorb easiest.
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MaltaHerbmananswered grow question a year ago
Calmag ia important i start using it from first week 0.3 ml per liter all the grow,ph too is important i always try to keep it 6.5 in veg and 6.8 in flowering and the water leave it sit for 1 or 2 days before use it
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