need an prediction

hi, how much SOG space would i have if i bought and used these?

4 500W Fluorescent HO GROW LIGHT CFL HYDROPONIC - eBay (item 250271627361 end time Jul-23-08 20:48:32 PDT)



thanks:rastasmoke:

those are only 65 watt lights no matter what the "equivelant" is