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Grow QuestionsLeaf changed color and spotting, help!

Leaf changed color and spotting, help!

Kappakrusadestarted grow question 4 years ago

Any idea what I need to do to fix this? I think I over fed and then I recently did and RO flush. Then I fed it calcium herkley and harvest recharge in a little general organics bloom.

Kappakrusade

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Leaves. Color - Yellow

Leaves. Color - Mottling

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Stonerdanswered grow question 4 years ago

Hard to say from the picture but your diary give away the problem, in this case your plant is suffering from Calcium (Ca) Toxicity - Leaves develop Yellowish-Brown spots, tips and margins begin to suffer chlorosis, while leaves remain dark green in color. Lower the CaMg+ to about 0.2-0.5ml/l (consider even stop using it after a few lower dosage irrigations) since your "Bio-Bloom" fertilizer has enough Calcium additives and it is usually needed only when the plant shows deficiencies. Calcium is a micro-nutrient and needed in very small amounts (sometimes the calcium in the soil is enough for the whole grow). Hope this helps! Good luck and happy growing :)

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