Indoor grow #1 3 strains

if you're in SA, i know there are loads of local brands, go with that for sure. in veg you're looking for NPK ratios like 4-2-2 , in flower something like 3-6-6 , look for humic acid, and absolutely grab some local calmag. always grow with calmag, so you need three things at any given time NPK, calmag and an additive (humic acid) . pick up some local biologicals if you can find them : look for bacilus thuriengiensis, if i moved to SA that would basically be me : keep it simple buy local. Hope this helps ! :rocket:

they are overfed and night temps are too cold

dial your feeding way way back like 1/4th of what youre giving now and alternate between plain water and feed.

and bump your night temps to 20C and up