chapster Active Member Oct 23, 2006 #1 if i had a 150 watt hps ballast would it work also with any hps but smaller wattage like a 70 watt hps or would i have to buy a 70watt ballast? cheers!
if i had a 150 watt hps ballast would it work also with any hps but smaller wattage like a 70 watt hps or would i have to buy a 70watt ballast? cheers!
