Just the c99 myself, my cousin is growing the grapefruit 4, its got a sickeningly sweet smell to it...i was more fortunate with my c99s than you, got a pretty perfect match on 1, but total garbage the other 3....the g4's from what I seen look very nice, his began getting very frosty at the beg on week 4...and they gonna be massive yielders, big old fat bats