Hqi Bulb Question

VIC · 09-10-2002, 04:23 PM

I have a 150 gallon reef tank with 4 150 watt hqi 10,000k bulbs on it and 2 140 watt actinics.
How often are the 150 watt hqi changed. They average 10 hrs a day.
I have them 13 inches off the water. Due to their power, shhould they be higher?
Thanks,
Vic

PerryinCA · 09-10-2002, 07:50 PM

I would recommend moving them lower if possible (I would recommend 7-10" depending on fixture).

The lamps should be changed around once every 12-14 months if on a standard magnetic ballast, and will probably be OK for up to 18 months on a icecap.

Hope this helps some,

Perry

09-10-2002, 04:23 PM	#1
VIC Citizen Join Date: Nov 2000 Location: Elmwood Park, N.J. U.S.A Posts: 134	Hqi Bulb Question I have a 150 gallon reef tank with 4 150 watt hqi 10,000k bulbs on it and 2 140 watt actinics. How often are the 150 watt hqi changed. They average 10 hrs a day. I have them 13 inches off the water. Due to their power, shhould they be higher? Thanks, Vic

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09-10-2002, 07:50 PM	#2
PerryinCA Governor Join Date: Jul 2000 Location: Folsom, CA Posts: 2,103	I would recommend moving them lower if possible (I would recommend 7-10" depending on fixture). The lamps should be changed around once every 12-14 months if on a standard magnetic ballast, and will probably be OK for up to 18 months on a icecap. Hope this helps some, Perry

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