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Poor lighting, not enough potassium/phosphorus, incorrect nutrient timing, high temps, root bound, bad genetics.

I've had a blue lab probe ph for 2 years. Still running on the same probe that it came with. It rarely falls out of calibration.

Inner, just be sure to add the silica first before anything else, mix well....and you'll be good.

Chunktastic......I totally agree with the importance of timing. I've hit some plants too early, wk 5, with a 52/32 and resulted in no trics, and no smell. Now I start the p/k loading at wk 6/7.... Looks like a closed room, do you have a dehumidifier? The containers look small for all that...

Classic mag deficiency leaf cupping on those last pics.....

-Dinafem has never let me down. Consistent quality, high germination rate, great yields. -TGA has tasty stuff with great aromas, potency isn't as high as it should be, it seems they breed mostly for the looks/taste/smell. - Cali Connection is hit or miss, some great SUPER potent stuff, as well...

Potassium silicate definitely works.....just be sure to add it first as it tends to precipitate the calcium out of solution if added after.

Give it a higher strength dose of calmag and transplant into bigger container. It should solve your def.

Fox farm soil in 10 gal. container, house and garden nutes 1/2 strength every other watering. After the symptoms have shown up I've amended with rhizoforce, azomite, and dolomite.

I grow platinum cookies as well. One thing I can say is amend your soil with dolomite because it's a CaMg hog....it's a bit fussy with its nutes/ph come mid-flower. At least mine is....

From what I understand it can be from high temps or poor light intensity....if we are ruling out the genetics.

I suspect the guy you got the clones from cheaped out and used questionable soil. This is probably where your bugs originated from.

Could very well be calcium or magnesium...are you rootbound?

Seems like too much feeding

Grown out of the container or grown out of the deficiency?

Could be a gov thing....seems like something they'd do since the raids are not very popular with the public anymore and this gives them a good shot at ruining crops. We'll see if Monsanto is selling mite resistant seeds in 5 years.......

Brown spots gradually become necrosis, progresses from bottom up. I suspect Ca or Ca/Mg deficiency, what do you guys think?

I would agree bad soil. Looks like the cheap Home Depot shit.

Maybe I saw mites in the first picture, but nowhere else. Did you check your soil ph after you mixed in all those amendments? Some of those will raise your ph, some will lower. You said you used a shovel to measure......If you don't have the ratios right it might have an affect. Also what if the...

I wouldn't keep those unfortunately....if they even do root it will take forever, then it will take even more forever to revert back to veg. it might be faster to root new clones from the mother after it is revegged.