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Leaf discoloration, serrated burns?

Coconut_kissstarted grow question 2y ago

Discoloration progressing, I added more info to diary and pictures, runoff ph is around 6.3 input EC was 1.8 and runoff was 1.5 for this plant, what is happening and how do I combat this (I feed with 2.7 ml/l bionova soil mix and .5/l PK 13-14 and give 5L water per plant/few days

Coconut_kiss

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Leaves. Edges burnt

Leaves. Color - Dark-brown

Feeding. Deficiences

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CZ420CZanswered grow question 2y ago

leaves are praying, check DLI seems like light stress.

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