if your spot is 2X2 i wouldent put 4 plants in there,they need room for air.try to find at least a 4X4 spot then get a hps,if i were you id just stick a plant or 2 in the 2X2 and the 24'' long t5's ,it will take a while for flowering but will save power also.just my 2 cents worth,keep up the...