The Planted Tank Forum - View Single Post - Affordable CO2 sensor?
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post #13 of (permalink) Old 11-04-2012, 05:08 PM Thread Starter
Children Boogie
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Join Date: Dec 2006
Location: Cincinnati
Posts: 16,034
Originally Posted by Darkblade48 View Post
I am curious as to why a pH controller would not be accurate (I assume due to probe calibrations, etc)?
Same reason not to to use tank water in a drop checker. The ph will be affected by other things besides co2 throughout the day like rocks, substrate, driftwood. We're not dealing with an empty tank of water.

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