The Planted Tank Forum - View Single Post - Affordable CO2 sensor?
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post #22 of (permalink) Old 11-07-2012, 09:26 PM
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Originally Posted by mistergreen View Post
Thanks for the input.

Is a pH meter practical? You'd have to constantly calibrate your readings.
pH meter is, we have successfully used them quite well in the hobby for nearly 25 years.

For the $, I think you'd be better off with a good pH meter. You calibrate the probe maybe 1x a month or if you want to be very certain. Good general care for the tip etc.

Tom Barr
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