Geozander Well-Known Member Nov 4, 2009 #21 LondonDz said: Im growing two plants, grow room is pretty small, I hve a decent oscillating fan. I can only manage to buy the 400w hps which will leave me required money for bulbs. 400w Sunmaster Dual Spectrum HPS Bulb is this suitable along with a conversion bulb? Click to expand... you dont need the conversion bulb mate. Use the dual spectrum bulb straight through your grow.
LondonDz said: Im growing two plants, grow room is pretty small, I hve a decent oscillating fan. I can only manage to buy the 400w hps which will leave me required money for bulbs. 400w Sunmaster Dual Spectrum HPS Bulb is this suitable along with a conversion bulb? Click to expand... you dont need the conversion bulb mate. Use the dual spectrum bulb straight through your grow.
