Tropical Fish Keeping - Aquarium fish care and resources

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-   -   Help with my lights. (

jdiaz 03-03-2012 01:45 PM

Help with my lights.
I bought some really good lights for a saltwater tank I got, 29 gallon. But I also have a 29 gallon tank that is freshwater. I spent a lot of money on the lights for the saltwater tank and now left with about 30 bucks. I bought a light for my freshwater tank from walmart that is just a strip that is 24 inches and it is a 17 watt T8 the thing is it is not enought light for my tank. I want to light the tank up even more. Being that the tank is a 29 and the light strip with only one light is good enough for my anubia and my java moss. But I want some better lights, will adding another strip of this kind make that tank brighter? !!!

this is the kind of light the I have only thing is mine is the one to grow plants.

Quantum 03-03-2012 04:55 PM

Sure, by adding that light you will be doubling the amount of light in the tank, but what do you mean when you say that the current light is not enough? Too dim? Are you trying to achieve a certain level of watts/gallon?

A lot of people have great success with a single 24" T8 over a 29 gal like what you have now.

jdiaz 03-03-2012 05:57 PM

I want it to be brighter. The tank looks a bit dim. Kind of like the moon lights on my saltwater tank but not as bright. The light is blueish.

Quantum 03-03-2012 06:03 PM

might just be a bulb issue, what is the K rating of the bulb you have now and how old is it?

jdiaz 03-04-2012 08:54 AM

4200k with like one week old.

Quantum 03-04-2012 09:22 AM

I would first try a new bulb with higher K rating around 6500K, bulbs at this color temp usually have a better mix of the different wavelengths, including more green. This produces a whiter light and will appear brighter. Sometimes these are available at Home Depot, Lowes, or similar, especially the 48", the 24" is less common so you may need to get one made specific for the aquarium trade. I use mostly Zoomed bulbs, they have one they call 'Ultra Sun' that is 6500K, I've also had a Coralife 6700K daylight that was good as well, Hagen Life glo 2 is another, though I have no personal experience with it.

One of any of these will be plenty for the java moss and anubias you mentioned as well as crypts, java fern, most swords, adding another fixture will increase the likelihood that you will have algae problems.

jdiaz 03-04-2012 09:44 AM

Ok I will try to find one for my fixture, it is going to be hard.

Quantum 03-04-2012 10:00 AM

Petco carries Zoomed, and all the ones I listed can be bought online

jdiaz 03-04-2012 10:09 AM

Do you thing that t5ho will work on the t8 fixture?

Quantum 03-04-2012 10:14 AM

no, they are different

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