T8 vs T5 - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 17 Old 08-28-2011, 11:13 AM Thread Starter
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Arrow T8 vs T5

I bought two aqueon colormax bulbs for my 55 gallon inorder to help my plants grow, but I'm not sure if they'll work. The box says it hightlights colors of fish and live plants, but says nothing about helping the plants grow. Should return them again ( first time bought wrong size) and try the floramax which says it helps plants grow, but is also a T8, or buy a whole different brand?

55 gallon planted tank, starting over!!!( looking crappy, needs a major rescape)
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post #2 of 17 Old 08-28-2011, 11:36 AM
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First off, T8 and T5 are two very different types of tubes that will only work in the appropriate fixture, i.e., T8 works in a T8 (normal) fluorescent fixture, but T5 requires a T5 fixture. When you tell us this, I can comment further on the tubes.

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 youíre going to take it under your wing then youíre 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 #3 of 17 Old 08-28-2011, 11:47 AM Thread Starter
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Oh, I feel dumb. I have to have T8 bulbs then.

55 gallon planted tank, starting over!!!( looking crappy, needs a major rescape)
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post #4 of 17 Old 08-28-2011, 12:10 PM
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It is a common misunderstanding, believe me.

OK, so you have a 4-foot tank and a T8 (regular fluorescent) fixture that takes two 48-inch tubes. The Aqueon Colormax should be fine for the plants. I found the spectrum graph here
Buy Aqueon Colormax Color Enhancing Fluorescent Lamp from FosterAndSmithAquatics
and that looks good. I would expect this to be a bit "warm" but that is a color perception to us and not the plants, so if you like the color rendition, fine.

These tubes are not as intense light as what I would normally use/suggest, but as you have two of them, that issue is likely solved. A single tube would be a different story.

Byron.

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 youíre going to take it under your wing then youíre 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 #5 of 17 Old 08-28-2011, 12:31 PM Thread Starter
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Ok thanks alot!!! :D The bulbs are 18inch the 24in were too big( had to return them) My hood is two parts, not one long fixture.

55 gallon planted tank, starting over!!!( looking crappy, needs a major rescape)

Last edited by Jayy; 08-28-2011 at 12:37 PM.
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post #6 of 17 Old 08-28-2011, 12:36 PM
Quote:
Originally Posted by Byron View Post
It is a common misunderstanding, believe me.

OK, so you have a 4-foot tank and a T8 (regular fluorescent) fixture that takes two 48-inch tubes. The Aqueon Colormax should be fine for the plants. I found the spectrum graph here
Buy Aqueon Colormax Color Enhancing Fluorescent Lamp from FosterAndSmithAquatics
and that looks good. I would expect this to be a bit "warm" but that is a color perception to us and not the plants, so if you like the color rendition, fine.
Byron.
This may be be the case, however most common 55 gallon setups I have seen either have 1 four foot bulb or a split hood that runs two 15 watt bulbs.

.... I'm probably drunk.

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post #7 of 17 Old 08-28-2011, 12:42 PM Thread Starter
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Yes that's true. My hood is two parts and it was confusing atfirst beacause I thought it took two 24in bulbs,but it takes two 18in ones instead.

55 gallon planted tank, starting over!!!( looking crappy, needs a major rescape)
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post #8 of 17 Old 08-28-2011, 12:50 PM
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That makes a difference. Two Aqueon 18-inch tubes will not be sufficient in my view.

You have two options. To go with the existing fixture, I would suggest Power-Glo tubes (also Hagen). More intense than even Life-Glo, though I personally do not like the purplish hue. But that is what I expect the Aqueon give, so you may like it. The light intensity is there, so again the plants are fine. What you perceive is a matter of personal preference. I prefer the cooler white light which Life-glo would give. These are the best tubes I know of, but it is still on the minimal side, though it may work and be worth a try if a new fixture is not in the picture.

Second option is a new fixture, a single 48-inch T5 will work or a dual 48-inch T8. A single T8 is also doable, I used to have one on my former 55g, but it will limit you more than the other two.

Byron.

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 youíre going to take it under your wing then youíre 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 #9 of 17 Old 08-28-2011, 12:57 PM Thread Starter
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I'll see If I can find them( petsmart stopped carrying them) but If I don't are there any others out there, maybe at petco?

55 gallon planted tank, starting over!!!( looking crappy, needs a major rescape)
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post #10 of 17 Old 08-28-2011, 01:39 PM Thread Starter
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What about zoomed, are they any good and if so which one??? I'm thinking oceansun it has gotten some good reviews from people with planted tanks.

55 gallon planted tank, starting over!!!( looking crappy, needs a major rescape)

Last edited by Jayy; 08-28-2011 at 01:45 PM.
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