I am new to hydro and have another question for you experts. I Am using a bubbler system made out of an 10 gallon aquariumn. Im growing two plants with one large air stone undeneath the netpots filled with hydro rocks. I heard that the airstone does not provide a great deal of o2 to the water so i was wondering if my water fall style aquaruim pump would add alot more o2 being that the water hits the air before dropping into the res. . I also was considering an NFT conversion using the water fall style pump and some square pvc pipe. any suggestions would be greatl appreciated.