The Planted Tank Forum - View Single Post - Help Please!!!
Thread: Help Please!!!
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Old 10-31-2012, 04:26 PM   #4
Hoppy
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It is hard to estimate how much PAR you get with two or three lights that are identical unless they are placed very close together. When you use a mix of different types of lights with unknown spacing it is pure guesswork as to how much PAR you will get.
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