whats hotter HPS or MH in a 400watt ballest. and what is a good distances for high pressure sodiume at 400 watts. and for a metal helide
djtoomuch Reviewed by djtoomuch on . whats hotter? light temps whats hotter HPS or MH in a 400watt ballest. and what is a good distances for high pressure sodiume at 400 watts. and for a metal helide Rating: 5