Hi... been reading here for a while and i keep hearing these numbers for GPW that seem a little nuts, like trying for a 1.0gpw. i guess i didnt search but was curious how these numbers are being calculated. from my math even you only counted bloom time of 2 months , 1gpw would equal almost 4.5 pounds off a 1000watt. i have yet to see a room that even comes remotely close to these numbers. can some one expand on how these numbers are figured. thanks.