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Hi all,

I just bought a used pH51: Sharp Waterproof pH Tester and it arrived without the pH 4 and pH 10 calibration solution. Could I use any brand of calibration fluid to calibrate the tester?

Thank you.
 

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Hi all,

I just bought a used pH51: Sharp Waterproof pH Tester and it arrived without the pH 4 and pH 10 calibration solution. Could I use any brand of calibration fluid to calibrate the tester?

Thank you.
Yes, as long as it's as accurate as your tester. For example, if your tester is accurate to the 0.1 you will need a 4.1 solution. And you do not need the 10.1 pH solution, at most you will need the 4.1 and 7.1 solutions.
 
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