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Home Brew Forums > Home Brewing Beer > General Beer Discussion > Can I use a TDS meter to guage gravity?
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Old 08-09-2012, 11:55 PM   #1
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Default Can I use a TDS meter to guage gravity?

I use a total dissolved solids meter for hydroponics (legal!). Has anyone ever used one for brewing and if so with success? Thanks!


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Old 08-10-2012, 12:31 AM   #2
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Dissolved sugars dont affect the conductivity of a liquid so a TDS will not be able to pick up the differences based on sugar. If you are looking to use it for pre mash water conditioning then maybe, but not for gravity readings
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Old 08-10-2012, 01:09 AM   #3
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Good enough for me! Thanks again.
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