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**mistergreen** · 01-28-2013, 04:01 AM

oh, gotcha. it costs the same to buy a CO2 sensor whose max is 36ppm

or a bit more ($250) for a sensor whose max is 300ppm.

http://aquatictechtank.net/viewtopic...&t=11&start=10

01-28-2013, 04:01 AM	#12
mistergreen Bow ties are cool (View User Tanks) PTrader: (12/100%) Join Date: Dec 2006 Location: Cincinnati Posts: 12,946	oh, gotcha. it costs the same to buy a CO2 sensor whose max is 36ppm or a bit more ($250) for a sensor whose max is 300ppm. http://aquatictechtank.net/viewtopic...&t=11&start=10 __________________ DIY High Tech Tank forum http://aquatictechtank.net A forum dedicated to design and program aquatic tanks