lighting for a 2.5 gallon - The Planted Tank Forum
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post #1 of 7 (permalink) Old 01-10-2013, 04:10 AM Thread Starter
Algae Grower
Join Date: Dec 2012
Location: New York
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lighting for a 2.5 gallon

I have a 2.5 gallon mini bow filled with low light plants. I don't really know the names of all of it, it is a mixture of stuff from a package from a user on here and some stuff I picked I at petco.

I picked up one of those 10w zoo med bowls and was wondering if that was adequate light for a tank this size. I remember reading that the watts per gallon doesn't really hold true for nano tanks so I'd like the opinion of all of you.
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post #2 of 7 (permalink) Old 01-10-2013, 05:48 AM
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You could probably get away with a desk light to do the job

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post #3 of 7 (permalink) Old 01-10-2013, 01:49 PM
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Watts Per Gallon should basically be ignored for all tanks, not just small tanks.

By "zoo med bowls" do you mean a daylight bulb? Dome fixture? If you mean bulb, it will be fine if it's daylight. If you mean fixture? Yes, it will be fine for your tank.
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post #4 of 7 (permalink) Old 01-11-2013, 02:23 PM Thread Starter
Algae Grower
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Yeah, sorry, that was supposed to say bulb. So the ten watts is fine for my tank?
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post #5 of 7 (permalink) Old 01-11-2013, 08:01 PM
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I use this light from Marine Depot for my 2.5 gallon tank and it works really well plus with LEDs there is no heat and it should last 5 to 7 years before it need to be replaced. Mine is a low tech tank but I grow Crypts, Fissidens, Subwassertang, Rotala, and flame moss, in AquaSoil so it's enough light to grow most anything.

I realized the first photo didn't show the light fixture
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post #6 of 7 (permalink) Old 01-12-2013, 05:44 AM Thread Starter
Algae Grower
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I love the look of that light and the tank looks beautiful. But I have the mini bow and want a bulb to screw into the hood.

Would my plants benefit from more light? maybe 15-20 watts. No co2 but I do have potting for substrate (capped with gravel)
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post #7 of 7 (permalink) Old 01-12-2013, 06:02 AM
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Not to thread jack, but beautiful tank, 150.

OP, why not keep an eye on your plants, their progress in a journal notebook.

If they turn for the worse, revive this thread and we can help more then.

I think they'll be fine if they're low light.

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