The Planted Tank Forum - View Single Post - Affordable CO2 sensor?
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post #71 of (permalink) Old 12-04-2012, 02:02 PM Thread Starter
mistergreen
No more Bow ties
 
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Join Date: Dec 2006
Location: Cincinnati
Posts: 15,782
Darn it. I need a rigid screen under the membrane. The water pressure pushed the membrane against the air ports and skews the readings. That's why it was at maximum the whole time.

I didn't have this problem in the 10g because the water pressure wasn't as great.

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