ThePotFactorystarted grow question 8y ago
Does anyone know what can be causing theese marks and stains on my leaves? View week 6 for pics.. its on the top leaves mostly. Water 5l per plant every other day. Ph at 5.7-5.9
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Athosanswered grow question 8y ago
Calcium excess gives those white spots on leaves, reduce the cal-mag dose. 1 ml/lt is I believe around 0.5 EC (250 PPM), get it below 0.4 EC (200 PPM), I would try with 0.3 EC (150 PPM) worth of cal-mag, see if that helps. The spots will not go away, but no new leaves should be affected.
OutForRealanswered grow question 8y ago
Hello ! I would say I slight over feeding but it could also be the ph , do you check the runoff ph ? It may change from your original watering ph.
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