Which t5 fixture? - The Planted Tank Forum
 
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post #1 of 8 (permalink) Old 08-21-2012, 05:26 AM Thread Starter
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Which t5 fixture?

I'm debating which light fixture from Catalina I want to get. I have a 55g tank. I'm looking at the 48" two bulb or three bulb fixture. I know that I don't need three bulbs, but they are the same price and I was thinking that I could use two bulbs for plants and 1 bulb for enhancing fish and decoration color. Or, could I achieve the same effect with 1 bulb for growing and 1 bulb for color with the two bulb fixture? Which one would fit my needs better and is there even a bulb that will give me the color and look I'm looking for with the fish without being overkill on my plants?
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post #2 of 8 (permalink) Old 08-21-2012, 07:45 AM
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I don't know about the bulbs number and fixture, but giesemann I've use some that were 1-2years old and they still look better than new power/life glo I am using now =[. I had two middays and Plants grew fish looked great I have neon tetra, GBR, black phantoms.
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post #3 of 8 (permalink) Old 08-21-2012, 11:23 AM
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Im not familiar with catalinas, im an odyssea man. (yes I actually said that) But my only complaint is that the 2 bulb units are so narrow... if catalina 3 bulb units are wider, id go for those. in fact for the same price id do it any way! incase you ever want it later, and even just for the "extra" bulb for a spare.
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post #4 of 8 (permalink) Old 08-21-2012, 12:33 PM
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On the PAR sticky in the lighting forum, they compare the different catalina fixtures individually, so I'd take a look at that if I were you.

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post #5 of 8 (permalink) Old 08-21-2012, 12:50 PM
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Quote:
Originally Posted by metallicanick78 View Post
Im not familiar with catalinas, im an odyssea man. (yes I actually said that) But my only complaint is that the 2 bulb units are so narrow... if catalina 3 bulb units are wider, id go for those. in fact for the same price id do it any way! incase you ever want it later, and even just for the "extra" bulb for a spare.
I like my Odyssea lights too - one on the reef tank (t5) and one on the shrimp tank (LED) - and I agree, get the 3 bulb config.

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post #6 of 8 (permalink) Old 08-21-2012, 02:23 PM Thread Starter
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Thanks guys!
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post #7 of 8 (permalink) Old 08-23-2012, 05:16 AM Thread Starter
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I just noticed that the 3 bulb fixture has the bulbs very close together with less room in between for the reflectors. The two bulb fixture has them spaced well apart with plenty of reflector room. This seems very important vs 3 bulbs that would be overkill for me. Thoughts?
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post #8 of 8 (permalink) Old 08-23-2012, 12:30 PM
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are you running co2?

i have a 55g and a catalina single t5ho bulb. according to Hoppy and his chart, it was still medium light and would probably create some algae.. even with 1 bulb. i removed my glass canopy and made a custom lid using window screen mesh, as Hoppy has recommended before, and this has reduced my light by about 30% or so. Also my light sits on the 2 or 3" legs that are optional to purchase.

if you get 2 bulbs, i suggest removing 1 bulb, or going co2 and raising the light.
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