The Planted Tank Forum - View Single Post - Lighting an Aquarium with PAR instead of Watts
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post #159 of (permalink) Old 02-28-2013, 08:33 PM
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Join Date: May 2008
Location: Los Angeles
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Any stunting would be from a shortage of a nutrient, probably CO2. With high light you do need a lot of dissolved CO2 in the water to enable the plants to grow as fast as the light is driving them to grow.
Does cutting back lighting period somehow helps stunting growth? Assuming CO2 is up to optimum level but light is just high.

Good info. Thanks for putting this up.
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