yeah but intensity is a really important factor..
you may nail down the duration and/or color of LEDS,, but if they're running at 10% of what they should be they're not going to do sh*t..
seneye's monitor has a really cool PAR meter built, and it's affordable
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					Originally Posted by  Willito
					 
				 
				I want to stay away from the technically aspect on this topic as I am sure with a PAR meter the discussion can go on forever.  Just want to get an idea of what a nice SPS tank is running for intensity and duration. 
Besides,  I wouldn't understanding the reading even if I had a meter.  My success from the past has always been achieved by gauging the color and growth and keeping things as simple as possible. 
			
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