Help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

I bought some mh warehouse lights because i couldn't afford the sun ligths.to get straight to the point i dide't change the bubls is this y my buds are so small i have 4 mh and 3 kat piss 3 grandaddy purps and 4 skunk ones they veged fast an healthy but flowering is heart breaking .i planted them in bone meal and blood meal with pro mix soilst mix i give them foxfarm big bloom with bat guano ..i have advance nutes mirco grow and bloom and big bud is this too much?
 
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