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Old 01-02-2014, 11:57 PM   #1
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combining different fixtures

Tank: 24"x24"x20"
Substrate will be approx. 2" deep

I have a stainless steel light suspension kit that rests on the top of the rimless tank and is about 18" above the top of the water and 35" from the substrate. Right now I do NOT plan on anything high tech planted, but I know later in the year that I will so I want to go ahead and buy the proper lighting.

So my range from the substrate is around 18-35" using cables from the stainless steel kit. The distance between the two vertical stainless steel pipes of the hanging kit is 22.5" so I will have to go with an 18" fixture.

I do not think one 18" fixture will spread enough light from the front to back of the tank so I was considering ordering two fixtures(XB series).

If you indeed think that two will give me nice coverage over the whole tank, would you go with two different spectrums, say a 10000k and a 6300k to get nice coloration or two of the same. I am not sure of specific plants but I will have reds, oranges, greens, and maybe purples.
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Old 01-07-2014, 10:03 PM   #2
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Hi there!

Good news: our fixtures come with L-brackets that fit into a channel on the top of the fixture and slide up and down the length of the light, so you will be able to suspend a 24" light above your tank...and this will be a better option that the 18" fixture as it runs 30 LEDs rather than the 15 in the 18". I don't think an 18" will adequately and uniformly cover 24"-wide tank unless you planned on keeping very low-light, undemanding species on the ends.

Is there any reason you need to suspend the light fixtures so far from the surface? You'll be losing a significant portion of your light simply due to distance, and would do much better to hang the lights a few inches above the surface of the water. If you do go with such an elevated suspension, you're likely to achieve only medium lighting even if running two XB fixtures. If you keep the fixtures closer to the water, you can easily achieve high light parameters.

As far as spectrum, our most popular combination is the 6300K with the 10,000K. I'd get the regular and not XB 10,000K if you went with that option; if you prefer sticking with only 6300 fixtures then two XB's should work fine. To my eyes, the 6300K renders colors in the red/pink/orange group far better than the other spectrums, but if you prefer cooler lighting you may prefer the 10,000K.

Hope this helps, and let me know if you have any further questions!

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