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  #440  
Old 12/08/2007, 01:12 PM
fijiblue fijiblue is offline
Island Jumper
 
Join Date: Mar 2007
Location: IL
Posts: 619
I think the variance could be a lot of things.

1). Water movement on surface vs no water at all.
2). Jim & Justin used magnetic ballast vs electronic ballast??
3). The meters used were different as well.

I agree there is no conversion from LUX to PAR. I once used a conversion (Lux x .0111 + 1.53) only to find it was way off! A closer conversion would be (Lux x .0111 x 1.67). Even then, this only works out of the water. Any measurments under the water cannot be converted accuratley in my opinion.

Nice job, guys!
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