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- fine-ass '22 harvest!

Sarg', Ca-Mg foliars are fine, it's a great and fast way to get things in there and bypass any potential root/soil issues,... But it needs to be done right!
Typically, use third to half strength solution; for sure use a wetting agent, or even a mild soap like castille which will allow the solution to coat and stick way better, not just bead up; spray the leaf undersides especially, more stomata there; do it during lights-on hour when they are open, but out of direct blasting light... Early bloom is OK for this, just try to not soak the bud crowns best you can.. It's a PITA to do, but it's helps reduce mold potential,... sometimes the pistils may brown out, usually just the tips, so if you see that don't sweat it... Yes on pH'ing, 6.5-ish is fine....
Ca is immobile, so foliar is a great way to get it in there where it's needed fast,... Mg is mobile (within the plant; meaning it can be translocated from older leaves to newer to support growth)