The Planted Tank Forum - View Single Post - Affordable CO2 sensor?
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post #33 of (permalink) Old 11-11-2012, 09:18 PM Thread Starter
Children Boogie
mistergreen's Avatar
Join Date: Dec 2006
Location: Cincinnati
Posts: 16,743
I made the box for this and threw in a bunch of washers to see how much weight it takes to sink the thing. It'll need a lot. Looks like this route is not a good one. I'm thinking suction cup is the way to go.

My only concern is there is quite a bit of air in the box but the membrane surface area is quite big so the gas exchange will be ok.

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