White powder on leaves


Leaves keep getting this stuff not sure what it is. its been humid, however Im in the VPD range. It keeps happening to all my plants. Im in coco. Jacks full strength. any ideas?

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Just looks like some normal leaf variation to me. Does it wipe off?

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it doesn’t wipe off.

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Id roll with it. I get funky leaf variations all the time.



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Looks kinda like the leaves got wet. Is it on all the leaves?

Guys i need help. the powder seems to keep growing into the new leaves, the same thing happened to the last plants and i pulled them and restarted. now the same thing is happening, the only thing i added and what i think started the problem was using white shark. I would have never thought it could be but I have flushed the coco pot with Jacks several times same thing keeps happening . this was new Cana coco before the white shark application. should I do a major flush with just rain water? i feel like its not going away, I had my last plant go a month with this limp leaves/ white powder stuff until I just didnt want to deal with it anymore ( also it auto ) … any ideas ??? i already have a new seed on deck in a pete pellet since this one is having this same issues.

Whats the proper way to water only flush??? Flush with water only, then add jacks until that flushes out also?? Do you wait before doing the other flush?

Ok i did a little searching and i think this is powdery mildew. I just mixed a spray of Hydrogen peroxide and water. Ill let folks know if this does the trick .