What about mixing in a spoon of vinegar during the next watering to lower the PH?MG deficit is normally blotchy yellow / green.
Phosphorous deficiency is orange brown splotches ... my guess
But with pH so high - lots of different deficiencies are possible.
What about mixing in a spoon of vinegar during the next watering to lower the PH?

You need to check with a soil expert
I thought you did not need to pH soil![]()
Day 64, i don't really know when to chop. Seems like it's close. Thinking of doing do a mild flush because, I'm using is calmag and big bloom so maybe not really necessary.
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How are trichs? With the white pistils I reckon you can get two more weeks out of her! Mega bud!
Edit : I always call her too early and glad to go the extra weeks. Trichs for max yield / potency
you close 7-10 days perhaps 2 weeks
nice pics 



nobody around
pop into live stoners https://www.autoflower.org/threads/january-2019.69160/page-1439#post-2090266