Good Article...Enjoy Reading! - The Planted Tank Forum
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post #1 of 2 (permalink) Old 01-31-2013, 01:53 PM Thread Starter
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Wink Good Article...Enjoy Reading!

"The future's uncertain, and the end is always near."
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post #2 of 2 (permalink) Old 01-31-2013, 02:23 PM
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Using PAR measurements is a far more accurate way of quantifying light used for growing plants
PAR meters measure all photosynthetically active radiation without preference. [PUR] Photostynthetically Usable Radiation is far more accurate than PAR because you'll know within the PUR meters sensitivity which wavelengths are actually produced by a light source.
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