Can someone diagnosis this please ?

Mooregrow

Active Member
3 out of 4 plants have stunted grown and curled edges/wavy leaves

I’m in coco I wasn’t watering till run of and there was dry patches in the pots (fabric pots)
And salt on top of the medium

I have flushed them through till a fair amount of run of them run them though with again later with nutrients.. even after flushing with ph 5.8 water there was still salt build up on top of the coco... one plant is fine and growing well and the others are really struggling
 

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