holy crap, OG sprays an still it won't correct? that is a stumper mate, that product goes right into the leaves, bypassing roots and any trouble there...
... and all the plants are showing symptoms to varying degrees,. which hints at a common problem, medium being the likely suspect,... not sure why here, but amend no further or you may risk overloading the soil,.. might be what's happening, too much of some nute elements messes with the uptake of others,.. ironically, Ca and Mg can antagonize each other is ratios are off and too rich! And I have no idea what's in the GBD mix,....... you know, more remotely, and it's far from a perfect fit, but with the symptoms nearly top to bottom,.. I wonder if Zn defc. is in play,... ?? Earth Juice microblast added to the Overgrow at half str. might be worth a try,.... pH likely isn't an issue, it'd have to be way off to lock out Mg, and other symptoms/nute defc's would show first,... I wouldn't amend dolomite into the GBD stuff, that's covered already, and enough in the Roots until she taps into the GBD,... this is weird man, the OG should have nailed it by now,....
