you can look into DUAL ARC bulbs. they are a 600w hps and a 400w metal halide in one bulb. i have sold a few, but not many.
canaguy27 Reviewed by canaguy27 on . question on grow lights we are running a HPS 1000 lite and was wondering if we add a 1000 non-sodium lite to the mix will it effect the grow.?? Rating: 5