they dont call them the millions fish for nothing lol..u need to set ur 10 gal up so babys can drop down,and mums and just a dad or 2 stay at top level, thats the way i used to do it when i was tryin to breed fancy guppys
ya if ur gona be doing it big scale,imho you dont wana be fishin mums out every 5 min,i know thers plenty ppl on here know **** more than me,but if it wer me i would try to do it with as less work/time as poss