Thread: LED vs. HPS
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Old 02-19-2009, 06:06 AM   #18
zolar
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Join Date: Mar 2006
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Re: LED vs. HPS

so is there a good comparisson of the higher wattage LEDs out there in one place and has any one grow shop had the balls to publish a true comparison on LEDs ,HPS and MH by using a quantum meter that read in micro einsteins or PAR light so that we are comparing oranges to oranges for all three types of light
lumens are fine for human eyes but plants see PAR [photsyntesis active radition [sp]] and micro einsteins give numbers phyisists can crunch....

if i wasn't on ssi and independently poor i'd get the panels and meters and do the testing

perhaps some sponsor would have the guts to do it i'm sure that
many of us would shop there first if we were seriousabout the LEDsand the prices were competative just because that data is not real and not just opinion

by the way a qwuantum meter that reads out in par and foot candles is out there [spectrum technologies] [300$?] par onnly 200-250
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