7 or something like that, I use a liquid test from root farm to try and figure it out, it's just a dark green. I go for gold like my local grow store told me
Hey guys my first post, and my first indoor grow. I'm 5 weeks into veg and I'm just starting to find one of my plants is turning really yellow on the tops, I've done alot of reading and I cant figure out if its light burn, potassium deficiency or maybe you guys can give me some advice!
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