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PH problem
thcwncstarted grow question 3 years ago
Hi.I have problem with low PH Grow in soil canna terra proff+,mineral canna terra nutrients , led lights,its 3rd week bloom autos Leaves turning yellow from bottom and yellow tips on top.I was sure its npk deficiency and maybe cal mag or light burn. EC:1.4 PH:5.5:( What to do ??
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Buds. Not fattening
Leaves. Edges burnt
Leaves. Color - Yellow
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Ezzjaybruhanswered grow question 3 years ago
I’m not sure without pics or a diary here.. my guess is maybe you have some lockout issues or something. If the EC is coming out the bottom substantially higher than you are putting in, there’s likely excess salts in the medium.
I would go with the flush you were thinking about. At this stage it’s good to flush all the excess nutrients and salts from veg out of the medium.
thcwncanswered grow question 3 years ago
I feed with PH 6.5 and EC 1.2 so why PH dropped like that ?? My tap water after 24h is PH 7.5. I will try watering with that PH without nutrients . Is it a good idea ??
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