Jan 14, 2011 #1 SAAVE853 Aquarium Advice Freak Joined Aug 3, 2010 Messages 275 Location Miami Beach, FL Do MH lights have to warm up before they start up or are they like VHO just click and go??????
Jan 14, 2011 #2 neilanh Sliced Bread Joined Dec 25, 2006 Messages 8,482 Location Northern Virginia they warm up a little bit. I mean, they come on immediately, but not at full intensity. Takes upwards of a minute to get them to full intensity level.
they warm up a little bit. I mean, they come on immediately, but not at full intensity. Takes upwards of a minute to get them to full intensity level.
Jan 15, 2011 #3 OP OP SAAVE853 Aquarium Advice Freak Joined Aug 3, 2010 Messages 275 Location Miami Beach, FL Thanks i just had a brain fart and didn't switch on the ballast!