about 3 weeks old seedlings, growing in coco-perlite (50-50), been getting RO water with about 0.8EC (400 ppm at 0.5 conversion) of feeding with HESI TNT & Coco (about 50-50), root complex, powerzyme, GHE's Diamond Nectar and some epsom salt here and there.
I know they look ok but I am having...