Deficiency?

Week 2 of veg coco, under leds, member berry is the strain, flood and drain set up general hydroponics 2 part base nutes and general hydroponics calmag 1 flooding a day. Can someone please let me know what is causing this

Magnesium deficiency

Did you rinse the coco and soak in cal mag before using it?

hotrodharley said:

Did you rinse the coco and soak in cal mag before using it?

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No I watered it with a light nute solution

Kj1626 said:

No I watered it with a light nute solution

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I would foliar spray unscented epsom salts. 1 tablespoon in a gallon of water. Add a drop of liquid soap in the spray bottle before spraying to break the surface tension. Spray tops and undersides of leaves. Do this just after lights turn on.

Ten 4 thank you