H hpasternak New member Jun 2, 2006 #1 Which is less likely to heat the tank a 36" PC bulb or 36" VHO? Harvey
kokxy Member Jun 2, 2006 #2 having had both, hands down the PC bulbs are more likely to heat tank. with the vho's I never had a problem. now MH on the otherhand.....
having had both, hands down the PC bulbs are more likely to heat tank. with the vho's I never had a problem. now MH on the otherhand.....
