What’s your diagnosis?

olafthegreen

olafthegreen

Well-Known Member
Hi all hope you can help. It’s my first grow and I’m 20 days into flowering, one plant is looking a bit sad. I’ve flushed with 1/4 strength nutes 2 days ago but that doesn’t seem to have had any effect on the clawed leaves.

Growing in coco under hps. 1x600w + 1x250w. In 12 liter pots.

It seems to mainly be the upper leaves (is it a heat issue) temps don’t seem to go over 27 at the plants height.

Today I’ve noticed it’s happening to another one too.

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Thanks very much for your thoughts.
 
Yeah there's a fan on them but not so powerful, I moved the badly affected one so was not in the main flow for 2 days, and the leaves did not recover or change. I fed this morning again with 1/4 strength nutes (I did not flush this time).

It's not affecting all colas which is what make me suspect it's not nute related. But as I say this is my first grow so I'm probably just guessing wildly.
 
My new pH pen has arrived, looks like my old one is way off even after calibration. I recon I've been feeding at pH 5.2 ish. Would that cause these issues?
 
they look exactly like mine do,and im guessing its too much n,due to me feeding cal mag and forgetting theres n in it,LOL.
 
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