D dallas182 New Member Joined Mar 9, 2009 Messages 1 Reaction score 0 Mar 9, 2009 #1 i just ordered a 400 watt sodium bulb and wanted to know if i have to buy a transformer ballast?
T The Hemp Goddess Guest Mar 9, 2009 #2 Yes, you will need a 400W HPS ballast, plus a mogul socket, a reflector, cord to go from socket to ballast and another to go from ballast to wall outlet. The bulb wattage and type must match the ballast wattage and type (ie 400W HPS).
Yes, you will need a 400W HPS ballast, plus a mogul socket, a reflector, cord to go from socket to ballast and another to go from ballast to wall outlet. The bulb wattage and type must match the ballast wattage and type (ie 400W HPS).
