Another bump in the road!

Proper P-K deficiency + Mag deficiency.

With the purple stems and reddish hue on the leaves is def a suplhur deficit and will clear up with tablespoon of epsom salt per half liter of water, if used on leaves, don't spray buds.

But what Killab says about epsom salts could also implicate sulphur. Also don't use lots of nitro stuff.

Well a lot of that looks like calcium related stuff, influencing phosphorus particularly. But, I also see magnesium deficiency... So yeah, calmag especially, and then some general nutes (varied elements, like iron, copper, microlement shit). Molasses is pretty good if you got nothing else. Aaand then, some PK.

Up the calimagic to 5 ml, and add epsom salts to every other feeding. I had a very similar problem and that completely fixed the problem. Best of luck growing. Hope this helps.

Lowest it dipped was 67 but generally 70 and above

Hi, what are your night time temps? Looks like a slight (very slight) deficiency and more of the fade! Genetics can make the plant fade to purple. Nighttime temps can also cause the fade. My ladies go black and or purple depending on the genetics. I think you are ok here. Good luck! ✌️🏻💚🌿💨