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HELP! Leaf Symptoms - Nutrient Burn?

I

InvertedAxis

New member
Ok I'm not a coco grower but a few things. Have you been spraying the leaves with water? If you have with lights on it could cause that. It does not look like nutrient burn.

Are using any cal/mag in your watering? I'm not a coco person but I know the coco needs to be buffered prior to use (yours may have come already buffered.) And they need more cal/mag than soil. Hopefully a coco grower will chime in as I cant give any advice in that area.
 
Oh also the newest leaves appear to be fine. So just keep an eye on all the new growth. If it starts happening to the new growth you know the issue still exists.
 
Does look like Water burn from having droplets on the leaf under light.
How much and how often do you water your plants?
 
Thanks team - that sounds like a consensus! I water small amounts as it dries as I've previously struggled to water to run-off with plants this size.

Light burn sounds plausible as I do spray to aid humidity regularly.
 
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