| http://www.w3.org/ns/prov#value | - If you seem to keep coming up with the same results, please contact a physician.Which side of the fresh strip should I use?Use the side with the color indicators (reagent).Can I use the Phresh strips to test water, foods or chemicals?No, these strips are NOT intended for use with water, food, chemicals, or any other fluids other than directed.When should I test my pH and how often?They recommend t
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