t-5 lighting vs. power compact - Page 2 - Tropical Fish Keeping - Aquarium fish care and resources
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post #11 of 15 Old 12-24-2008, 01:53 AM
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Quote:
Originally Posted by onefish2fish View Post
i use t5s
i like t5s
i prefer them over metal halides
I use 2 MH bulbs and i'm thinking about using t5s. I have used CO in the past and was happy, but they are very bulky, the more you put together the more heat they generate and you won't have as many options as you would with t5s. Generally you can use a fixture with 5bulbs and then switch them out to meet your needs... MH you really can't and you'll end up supplimenting them with t5s or VHO's and they put out even more heat. t5s will put out much less heat, be more cost efficient and cost less for the initial purchase. Then to top that all off you can easily change the bulbs out... i'll let you decide.

(btw i love my MH, they just got too hot)

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post #12 of 15 Old 01-28-2009, 05:05 AM
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Cool

T5 under the right circumstances can be very very good, if you get some air on them, and put individual reflectors they can really make your tank shine. you can always go icecap retro or fixture base, I love ATI fixtures.
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post #13 of 15 Old 02-06-2009, 10:47 AM
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When to replace T-5s??

I have a T-5 fixture for my 120 gallon tank. It's the NOVA Extreme, 48" (8 x 54 watt bulbs). I've had it about a year. The 4 actinics run 12 hours/day, and the 10K white lights run 10 hours/day.

When should I think about replacing the bulbs? What I've seen on websites is between 18 months to 2 years. But someone at my LFS told me I should be doing it now.

Is he just trying to make a buck??

Thanks

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post #14 of 15 Old 02-06-2009, 11:41 AM
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bulbs last about a year, ive even heard 8 or 9 months deserves a change.

certain colors burn out faster then others so algae tends to grow very fast with old bulbs.
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post #15 of 15 Old 02-06-2009, 06:40 PM
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[quote=johnnynuke;169267]When should I think about replacing the bulbs? What I've seen on websites is between 18 months to 2 years./quote]

You'll be able to see the color difference. I'd change one bulb and look at the others for comparison. Change 1 actinic and if the color matches after a day then it's fine otherwise it's time to change the lot.

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