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Re: Testing coolant acidity
Posted to Technical Tips Forum on 8/21/2020 9 Replies

I use a refractometer for testing concentration. It cannot test pH. They are cheap, many under 100$. They are 10x as precise as any bubble tester or float type.

I have an electronic pH meter. Cheap, cost less than 20$. I think you may even find some... Login to read more.

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