Thread: PH monitor calibration.
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Old 09-19-2002, 03:20 PM
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Aquattro Aquattro is offline
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Location: Victoria, BC
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Default PH monitor calibration.
As a quick test you can mix a small borax solution and it buffers to pH 9.2. Anytime I think the reading isn't right, I mix a batch of this to test it. Recipe available if anyone wants it.
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