Unsure what type of lighting fixture/hood I have - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 8 Old 08-28-2011, 01:15 PM Thread Starter
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Unsure what type of lighting fixture/hood I have

Like the title says, I've explored the hood that came with my 40 gallon tank, and I couldn't find anything that outwardly said whether it takes T5 or T8 tubes. The only information I could find was that it takes fluorescent tubes from the sticker on the back. It does have a working tube attached, though. Is there any way to tell what tubes I need? I'm going to have live plants in my tank, so any suggestions on what type of tubes that are good for plants would be appreciated.

I can also get pictures later, if needed.
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post #2 of 8 Old 08-28-2011, 01:19 PM
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Is there any print on the tube, if so what does it say?
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post #3 of 8 Old 08-28-2011, 01:36 PM
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Just measure the diameter of the tube. T-8 is one inch in diameter, T-5 is 5/8th of an inch.
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post #4 of 8 Old 08-29-2011, 06:38 PM Thread Starter
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Sorry for the silence guys, I recently went back to school and haven't been home. I'll be sure to look at the aquarium hood as soon as I get the chance!
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post #5 of 8 Old 09-02-2011, 09:05 PM Thread Starter
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After examining the bulb, it appears to have had the bulb type printed on the tube all along! Silly me for not looking in an obvious place! The tube is a T8, sorry for the bother guys.
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post #6 of 8 Old 09-03-2011, 10:34 AM
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Not a problem at all, most tubes will have the necessary info on them, or at least enough info to be able to find out the additional information that you are looking for.
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post #7 of 8 Old 09-03-2011, 11:42 AM
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Now we know the type, fluorescent T8 tube, we can answer your initial qustion. For a planted tank, a tube with a full spectrum or "daylight" equivalent is best. The kelvin should be around 6500K. There are many to choose from, some good some terrible; I'll include the ones I have personal knowledge of and prefer.

If the cost isn't an issue, the Hagen Life-Glo 2 is ideal. ZooMed Ultra Sun is very similar and slightly less expensive. These you would buy from fish stores (or online). Much less expensive are hardware store brands; GE, Phillips and Sylvania all make "daylight" tubes with a kelvin around 6500K. Phillips I use myself on some tanks, they call theirs Alto Daylight Deluxe.

Tubes should be replaced every 12-18 months max.


Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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post #8 of 8 Old 09-03-2011, 03:47 PM Thread Starter
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It's a daylight tube, though I'm not sure how old the bulb is. I'll probably get a replacement of the one Byron suggested when I get my plants in a few days.
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