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**mistergreen** · 12-06-2011, 02:32 PM

Be aware that a PAR meter will only read light wavelengths between 400 - 700 nm (around that). A lux meter will vary drastically depending on what photo resistor/diode it uses.

12-06-2011, 02:32 PM	#9
mistergreen Bow ties are cool (View User Tanks) PTrader: (12/100%) Join Date: Dec 2006 Location: Cincinnati Posts: 12,889	Be aware that a PAR meter will only read light wavelengths between 400 - 700 nm (around that). A lux meter will vary drastically depending on what photo resistor/diode it uses. __________________ DIY High Tech Tank forum http://aquatictechtank.net A forum dedicated to design and program aquatic tanks