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Originally Posted by Rasta
Hey Steve ... with a PAR sensor would you be able to tell when your bulbs need replacing ? ... how much was it and where did you get it ? TIA
Cheers
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yup, if you do monthly measurs of the bulbs you could tell how fast the intensity is droping off and chang acordingly.
it is a QUANTUM SENSOR (Model QSO-ELEC)
I got it from Apogee in the US for about 100 US plus shipping and duity and all that junk. then you also need a good digital multi meter to use it so that cost me another 150 CDN. I have spent more on testing equipment for lights than I have on my lights themselves
if you want to read more about it here it is
http://www.apogee-inst.com/qso_spec.htm
maby you might get 10 Cowtown naitives to go in one it and then check everyones tanks.
Steve
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