Quick one,
Any recommendations for a good (preferably cheap) PH tester,
I bought this one
However it doesn't work properly , won't always switch on, and now allways just displays 1.
Did I just get a dud or should I buy a more expensive one?
Any recommendations for a good (preferably cheap) PH tester,
I bought this one
However it doesn't work properly , won't always switch on, and now allways just displays 1.
Did I just get a dud or should I buy a more expensive one?
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