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Old 01/14/2017, 08:44 AM   #1
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Join Date: Dec 2006
Location: New York
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XR30W Gen 4 Pro minimum height above water

I'm getting ready to set up a 6' x 2' x 2' (180 gallon) SPS only tank. I have no doubt that the lights mentioned above are more than sufficient to support my tank, but what is the minimum height I can get away with placing these units above the water to get adequate spread? I'm trying to build a canopy that is as slim as possible for this tank. I'm intending to use 3 of these units.

Thanks for any help!!

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Old 01/16/2017, 02:48 PM   #2
Alex Y EcoTech
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Location: Allentown, PA
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You will need to have your Radion at least 8 inches above the water's surface.

Alex Y.
Customer Service Representative at EcoTech Marine
Call: 1-800-785-0338 Ext. 2 or E-mail: [email protected]
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Old 01/16/2017, 04:21 PM   #3
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The higher you can put them the more even the par will be. I would set them at 10-12 inches if possible and slowly turn them up over a 6-8 week period with the max intensity around 70-80%. Start out around 30-40%.

If you can't do the 10-12 inches then 8 would be the lowest I would go but to reduce the hot spot in the middle of the fixture you should get the wide angle len's. Your par will drop a ton but just turning up the intensity will account for that. Shoot for you acro's if that it the type of tank you going for to receive 240-280 par after you acclimate them of course. Good luck. Hope this helps

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Old 01/16/2017, 04:23 PM   #4
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One more thing. 3 lights will not work well on a six foot tank. I would get another one.

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