ganjacrazy
Well-Known Member
so i was given 2 175 watt metal halide bulbs( says Multi Vapor) and i kinda want to know if these are any good to me ? how to use them? do i need a ballast or anything else?or is it better to stick with my cfls? and any other questions others can come up with . so feel free to leave a answer or a question. and if anyone can provide links of info already on rollitup.