The Extech PH100 ExStik pH Meter with built-in Smart chip offers advanced functions and features to a stick style pH meter not found anywhere else. This ph meter's analog bargraph originates at neutral point (pH 7.00) to conveniently view trends in acidity or alkalinity. Extech PH100 requires buffer solution sold separately, use part number: Extech PH103.
Proposition 65 Warning for California Residents: This product can expose you to chemicals including Benzene, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to 
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