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Hi all,

I have a AquaRay GroBeam Ultima 1500 (attached spec).

I have the ability to dim these lights, is there a way of working how if any by how much i should dim these lights for an optimum balance of light vs plant/algae growth?

My tank is a 155L cube.

Thanks,

Chris
 

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Hello, i have 2 Grobeam 600 and i use them at full intensity. I cannot dim them. You might get a better chance asking on ukaps.org where there is many Aquaray users.

That depends a lot on what plants you want, if you fertilize or not, co2 or not.

Michel.
 
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