i've got 13 bag seeds growing under mh 400 watt and i got turned onto Canna veg and flora product nutrients-- wow!-- i'm only using vev Canna now but all nutrient probs have been solved-- give it a shot if u can-- no nutes for the first two weeks, but after that dose it-- no offense Mr. C-- try Canna and i'm not a paid advert guy-- will send pix when i can-- Regards, probus