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[APD] re: Azoo CO2 indicator

<<Checked it this morning and yet again, the indicator had leaked out. It
still had it's air bubble - don't ask me how the indicator leaked out -
it appears to anti-gravity properties.>>


I have one of these and mine has a black rubber-type O ring that fits the two pieces together quite snugly.  Perhaps your indicator has a defective O ring?  Marie Nichols

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