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It usually drifts down to around 5.6ish from around 5.8 ....I set the top of nutes to around ph 6.0/2 ish to compensate. But TBH this was the case with the previous run I did and I didn't have any noticeable deficiencies.

Ok will post more pics with leds off tomorrow. Hopefully the calmag might have started having some effect by then too!

I should have stated that I had the yellowing top growth before I flushed. I did the flush and res change to see if it would help the problem. It hasn't. I probably should have tried calmag earlier but still really learning. Only 3rd grow. I thought about N deficiency, but from a lot of...

Yellowing seems to be coming from the middle of the leaves out

PH has remained quite stable between 5.6-5.8...It seems to drift down slightly between each topping off. PPM currently around 900ppm. Plants have been in veg roughly 7 weeks now

Help needed! On second run of ceres seeds white indica . first run from seed no major problems start to finish. very happy with final product This run is from clones. New growth is very yellow, lower part of plant looks pretty healthy and green. No leaves really falling off plants or anything...