Auto kryptonite

Day 37 realised I have a fungus gnats colony could of been reason other plants went down hill their maggots can damage roots. Reason being my soil staying damp too long after using tinfoil on top of the coco and allowing them perfect conditions to breed. Iv directed fans at plants media now to help dry up surface of coco quicker. The cmh light doesn't create enough heat to do this I'm finding. Anyway hopefully she bounces back. Day 38 gave her another pH flush with light nutes she got 700ppm 6.7 pH at roots don't want to stress her anymore. Day 39 looks like she on bounce back starting to look healthier thank goodness. Day 41 she looking alot better now give her some potash 2moro