If I understand you correctly, you want to use the pond as a tray for your plants?
If that's the idea, you will have will obviously have to place the lights where you get the most bang for the buck, and leave any areas without plants that don't have sufficient light. Rather inefficient, but it would work. What are you using for a reservoir?

keylime
keylime Reviewed by keylime on . What i got to work with Hello new to the hydro.. so i need ideas. What i have, 400 mh and two 400 hps vertical hanging lamps.i made a top feed and im using the mh for veg my other room is 5 x 10 and i found a black pond for the yard i was able to get free which is 6' x 4' but tapers to 2' feet at one end. so i guess its shaped like a dick. My question is what would be the best way to use this aro ebb raft im not sure? sorry no pics yet nutes are grow bloom and micro advanced if that helps any. Rating: 5