Testing for Total Dissolved Solids

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Aug 18, 2014
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CA
I have a TDS meter for testing my drinking water (pre and post Reverse Osmosis). Wondering if I could test coolant with this and if so what levels would be a cause for concern.
 
Joined
Sep 14, 2010
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S California
Would some light reading like this help? Looking at heavy duty coolant gives more detailed information because the subject has had a lot more interest than automotive coolant.
 

Apollo14

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Joined
Aug 18, 2014
Messages
884
Location
CA
I was kind of hoping for a shortcut but I will read through that link. Thanks! I know that my TDS meter is calibrated for water: http://www.tdsmeter.com/calibration_maintenance.html So while I could put it in unused 50:50 coolant and see what the baseline is and then compare it against used coolant, I'm just not sure whether those readings are being measured in a meaningful way or how to interpret them.
 
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