dabgood21 Experienced Reefer Location Nassau County, Long Island Rating - 100% 2 0 0 Feb 24, 2011 #1 This may seem like a dumb Q but: Does it matter what side of a double-ended MH faces up or down? In other words...does the glass nub that sticks out on the bulb face the tank surface (down) or face up? Thanks
This may seem like a dumb Q but: Does it matter what side of a double-ended MH faces up or down? In other words...does the glass nub that sticks out on the bulb face the tank surface (down) or face up? Thanks