Have an Oakton® pHTestr? The life span of the pH electrode on your tester depends on its age, type of samples tested, and testing conditions. Discover the quick and easy way to replace the sensor. Watch now.
Oakton® pHTestr Sensor Module Replacement
Also, have you checked the batteries on your EcoTestr lately? Watch below to see how to change them.
Oakton® EcoTestr Battery Replacement
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