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DurTBear
04/16/2007, 01:19 AM
I just upgraded my lights to a Sunpod 150W HQI 14K metal halide fixture. Because this fixture doesn't have actinic supplementation, I got the Coralife Aqualight T5 fixture mainly for aesthetic purposes because I really liked the look of simulating sunrise/sunset when just the actinics were on. Anyway, this T5 fixture supposedly has true actinic 03 bulbs but when I turned it on, it seemed really purple to me (not blue). Is this normal? Are they supposed to look like that? And if so, can I switch out these bulbs for bulbs that are more blue and make the corals really "glow?" Here is the fixture that I got:

http://www.thatpetplace.com/pet/prod/209726/product.web

Thanks for any help.

HowardW
04/16/2007, 07:20 AM
Yes, the 03 actinic bulbs (420 nm) should have a purple look. If you want a blue bulb look for a 460 actinic.

db_triggerfish
04/16/2007, 07:28 AM
T5 aqualights have less power than HO T5. This uint here has the 460 more blue and 24w each bulb vs the aqualight 14w.

http://www.premiumaquatics.com/Merchant2/merchant.mvc?Screen=PROD&Product_Code=CU-USA01124&Category_Code=Current-T5

DurTBear
04/16/2007, 12:37 PM
Do you know if they make those HO T5 fixtures with just a single bulb? The problem is that I'm very limited with space on my tank. With the new Sunpod, I only have an additional 3 inches of width to work with and the aqualight just barely fits. I would actually have to raise it somehow because it blocks some of the metal halide light going to the back of the tank. Anyway, I would get the HO T5 unit but it's about 4" wide and I don't think it would fit on the top of my tank.

Or, do they make 460 actinic replacement bulbs for the coralife aqualights or can I just buy any 24" T5 bulb and swap them out?