I'm sorry but I have to disagree with foliar feeding. I've seen alot of people do that in the past, but this kind of plant doesn't tolerate it well and usually what happens is killing the plant with ferts. I'd avoid foliar feeding if it were me. Just flush with plain water in the last two weeks before harvest.
polishpollack Reviewed by polishpollack on . Is this a magnesium deficiency ? LED Grow update no.18, January 12th, 2011 Taken from "indoor growing", "testing the pro-grow 260 LED light" Hey all, So over the past 2 days I have noticed one of the plants showing a deficiency. To me it looks like a magnesium issue. I gave that plant an extra feeding of bat guano and some seaweed and tomato fertiliser. I mixed a heaped tea spoon of bat guano in warm/hot water and mixed it well. However, this extra feeding did not seem to fix the problem. I did some reading on the Rating: 5