#calcium

Hey so I haven’t had many issues with my first grow but now I’m having brown spots on my leaves my last watering I did up my nutrients from 25% strength to 50% percent strength auto flower northern lights grown in mothers earth and ocean forrest mix iguana bloom juice by advance nutrients is...

Hey guys, So quite new to growing here (My first real grow running at the moment) I Have 4 Autoflower's In their 5th week of flowering now, 3 gallon's in coco coir & running cmh. was feeding daily with a ph @ 5.8, now I'm feeding @ 6.1. (800 PPM) Now It appears 1 out of 4 of my plants has...