i think that if any of these three are female, they will just become mother plants. i've been hoping to learn hydro methods, i made a DWC out of a large rubbermaid. i havent used it at all yet, i dont know if my pump is strong enough. i think i have too many holes in it as well. its an 18 gallon rubbermaid with 8 spots for net pots situated as 3-2-3. i dont have any net pots, and i made the holes with a soldering iron, i would guess 2-3" net pots would fit. the pump i have is from walmart, a Whisper 30-60 and 2 18" bubble rocks. would this be sufficient for flowering, or am i better off to go with 4 buckets and maybe 5" net pots? i have a 4-5 foot vertical growing space.