D
dman1234
Guest
Hello,
I have a 600 watt ballast and a 400 that both came with a MH and a HPS
bulb each, so i want to replace the bulbs, do i have to buy a conversion bulb or can i buy just HPS???
the ballasts are sealed and have no markings.
I have a 600 watt ballast and a 400 that both came with a MH and a HPS
bulb each, so i want to replace the bulbs, do i have to buy a conversion bulb or can i buy just HPS???
the ballasts are sealed and have no markings.