Which light for a 36" deep aquarium? - Page 2
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Old 09-26-2011, 07:40 PM   #16
jmspaggi
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Hi Hoppy,

Thanks for the feedback.

I will most probably buy PAR reader and do some test.

What's a good PAR value I should reach? I want to have a fully planted aquarium with CO2, but still with few fishs
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Old 09-26-2011, 07:56 PM   #17
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40-50 micromols per square meter per second is a good PAR value. With that light, and CO2 you can grow almost anything. Much more light and you will constantly battle algae, and have to prune very often, plus have a very narrow range of acceptable CO2 concentrations. Much less that that and you get very slow growth, and some plants just won't work out well.
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Old 09-26-2011, 08:08 PM   #18
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Perfect, thanks. I will target that. And if I understood it correctly, if I have to much PAR, I just have to space the buls a bit to reduce the value. Is that correct?
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Old 09-30-2011, 06:23 PM   #19
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Hoppy, did you get a chance to see my message?
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Old 09-30-2011, 08:28 PM   #20
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You have the right idea on spacing out the bulbs.
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