ok to your questions,first yes i do have 2 plants in 3 of the five gallon buckets the avarage size is 17 inches i figured id keep um small so the wouldnt get rootbound,no they do not have drain holes and when i flush I put like half a gallon a day for like 4 days strait,and yes so far thease r the only nutes ive used I have some bloomers like floranova 7-12-11 and beasty blooms 0-50-30 but havent given them any yet cuz there not showing sex yet,the light is 22 inches abouve the canopy I water when there dry I try not to over water them cuz ive had bad experiances in the past so i think thats all you asked....