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Enough lighting for plants, low enough for Tetras

This is a discussion on Enough lighting for plants, low enough for Tetras within the Characins forums, part of the Freshwater and Tropical Fish category; --> Originally Posted by terrycherry Yes, I jumped ahead and bought the fixture. Its a T5 He. LFS told me that the TE is not ...

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Enough lighting for plants, low enough for Tetras
Old 02-11-2012, 02:32 PM   #11
 
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Quote:
Originally Posted by terrycherry View Post
Yes, I jumped ahead and bought the fixture. Its a T5 He. LFS told me that the TE is not as strong, bright. So I should replace the Actinic since its for Marine, with the full spectrum T5 6500? They had replacement bulbs. The blue LEDS go off with my timer for overnite. And yes, you have been a tremendous help!
Before getting into possible tubes, if this is fairly new, can you return it? Either in exchange or for credit? I bought a T5 fixture for my tank a year ago, and used it for a week and found it too bright so I took it back and bought a T8 (which was considerably cheaper too, as are the tubes). If a store wants your return business, they should manage this.
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Old 02-11-2012, 03:23 PM   #12
 
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That 'T5 He' is used leads me to think that what you have is this fixture - I think it is the only company I've seen use this 'High efficiency' terminology regarding T5 lighting.

This fixture comes in both High Output (39 watts for 36" bub) and normal T5 (21 watts for 36" bulb) that Byron has mentioned.

The only other non-HO T5 made for the aquarium trade I'm aware of is by Aqueon/Coralife.
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Old 02-11-2012, 05:05 PM   #13
 
Yes, that's exactly it! It's the low output 21 watt. And I'm sure it is returnable if need be.
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Old 02-11-2012, 05:20 PM   #14
 
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It should be fine regarding light output, I think Byron was assuming it was High Output (most T5 fixtures are HO), which would be too much. What you have is roughly the equivalent to a dual T8 in light output.

The spectrum of the bulbs do need to be changed though. The actinic is intended for marine use, I would exchange that for a 6500K. The 10000K can stay, but if it is too blue, you can change that one as well.
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Old 02-11-2012, 05:25 PM   #15
 
You guys are Great! You really helped me out. THANK-YOU!
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Old 02-11-2012, 07:02 PM   #16
 
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Quote:
Originally Posted by Quantum View Post
It should be fine regarding light output, I think Byron was assuming it was High Output (most T5 fixtures are HO), which would be too much. What you have is roughly the equivalent to a dual T8 in light output.

The spectrum of the bulbs do need to be changed though. The actinic is intended for marine use, I would exchange that for a 6500K. The 10000K can stay, but if it is too blue, you can change that one as well.
Yes, I had assumed a typo and "HO" was "He" etc. I know nothing of this new one so will go with Quantum who does. And I agree on the tubes spectrum. B.
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