it may be too much magnesium, i dont think the nitrogen is playing a role, and 12 inches away from the plants is way too far, especially with 400 watts. My advice is back off the nutrients, and flush it for a couple of days till it gets better. Also, your plants may be too small for that 5 gal bucket, so make sure to give them little amounts. what seed co. did you get your white rhino from, if the leaves start getting yellow and crusty, give the plants a straight shot of pure N.
sensiskunk Reviewed by sensiskunk on . please advise..29 days into flowering ok here are some pics im in day 29 of flowering,thes are white rhino,noticed that some foliage is getting brown spots,,then after a few days are yellow,with some sort of blak burn,there are some pics posted,,i was foliar feeding as soon as lights cam on,,but ive stoped,im using earth juice,bcuzz bud booster,and fish emulsions,,it started at center of plant and is going up from what i can tell,is this normal at this stage of flowering,they are in 5 gallon pots,,water when they feel light,,using Rating: 5