I’m a first time grower using coco, staring w.w. photo. Ph my water at 6.0.all new growth is deformed bubbly wrinkled and curled. I tested the run off it was 6.5-6.9. in the that are doing this. I had to flush the same three because ppm reached 1100. I flushed and it’s the new growth that is messed up. I have some nute burn on lower part but I got ppm down to 700. They are 5 days away from being for weeks into flower. I have also read on mites bit there are so many different kinds. Please help I’m right here to read ur comments before I feed.
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Tested run off and the mesed up leaves run off are around 7 the good looking ones are at 6.5. but the same should come out as I put in right?
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Not seeing any bug damage. Check the underside of leaves with a maginifier of some sort to double check. Looks like some light nitrogen toxicity.
I’ll wait for someone else to comment on the PH. I would think a mini flush to reset then light feed at proper ph and ppm to get her going in the right direction again?
Edit: final thought, 4 weeks into flower? Hmmm. How are you judging that? Or how did you initiate flowering? Doesn’t look like 4 weeks.
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5.3-6, 5.7 being ideal for coco…
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If your in a inert media, coco/hydroton/ stone, you should be able to flush it out with 1-2 gals x gal size of planter
What are you using to rinse the media thru thoroughly with? Distilled or r/o water?
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I mean week 4 of veg… My bad late night. I used spring water 3 gallons it has a ppm of 27 and I did only ph it to 6.0. my city is under a water boil so it hard to find distilled
Looks like excessive nitrogen. Probably just water once.