The Planted Tank Forum - View Single Post - CO2 Drop checker question
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post #2 of (permalink) Old 04-10-2019, 07:47 PM
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Join Date: Sep 2008
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The drop checker doesn't test the ph/kh of your water.
It is used to estimate more or less how much co2 is in your aquarium by how much the ph drops when the co2 in your aquarium is outgassed into the drop checker.
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