Getting an accurate test results is always preferred. PH problems can be solved by a number of different methods and knowing the pH to its most exact count can greatly determine the type of equipment, media and quantity to regain neutral water.
In my experience, test strips rarely satisfy my need for accuracy. As you have stated the test strip reading was greatly different from the other method, which may have been through titration.
Get good results and you will get better quality through the equipment you decide on.
Andy Christensen, CWS-II
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