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- fine-ass '22 harvest!

Fine spotting/ stippling is Ca defc., very common with LED lights even with Ca-Mg going in,... it's something linked to the nature of the LED lights, I can't say what exactly though,... strain to strain, even pheno' to pheno' variables in demands and tolerances can be in play,..noted these are all the same strain?
>>> that funky interveinal necrosis is not Mg defc., it's something else ( a few things can cause this); the way the tissue dies out, the pattern, etc does not fit IMO.... this is what Mg defc. usually looks like :
starts out like this->



This we see on occasion ->
>> weirdest one to date, from here!
>>> so, start feeding more ASAP, and keep on with the Ca-Mg.... Also, I recommend getting a soil pH probe for in-pot testing, run-off is dubious at best for this. It's not certain this is pH related, I'd say unlikely, but it's a definite possibility.....
>> this unit will do fine! I have the identical unit under a different name... Amazon product ASIN B00NTPVHOG