What deficiency is this? Help

I’m new to soil grow and haven’t had my leaves turn like this. Can someone help me out?

Sorry. 5th week into flower, finished using big bud, last watering was 850 ppm, supplement with cal mag, and make up the rest of the ppm with conisouer. My ph is always 6.2-6.3

are you taking PH readings from the water run off?

Your Ph is a little low. She has a calcium deficiency, so I think if you raise your Ph to 6.3 minimum she’ll be able to take up the Cal Mag you’re feeding her.

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Great, ty. I’ll do a a big soak today and change ph and use full strength cal mag

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I think @raustin has you set. Just wanted to point out she wasn’t suggesting you’re not giving enough calmag. But more that it was locked out from your ph. The calcium is probably there, just immobile at a ph that low.

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Thanks for responding. I flushed fri night at 6.4 ph with cal mag and 1/2 strength overdrive. The runoff was still reading at 6.05. I’m going to increase ph more on next watering.