I've been thinking the same thing... right now I've been using a spray fertilizer that has: organic nitrogen 3000 p.p.m, phosphorus 1250 p.p.m potassium 4500 p.p.m Calcium 1250 p.p.m Magnesium 775 p.p.m Boron 6 p.p.m.
I've been doing some LST on her, I don't want her to grow really big but...