The Planted Tank Forum - View Single Post - Affordable CO2 sensor?
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post #29 of (permalink) Old 11-11-2012, 03:42 PM Thread Starter
No more Bow ties
mistergreen's Avatar
Join Date: Dec 2006
Location: Cincinnati
Posts: 15,538
Oh interesting. CO2 level is high in the room. I stuck it out the window and it went down to 400-500. That seems right. Time to dunk it in water again.

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