Industrial Test Systems WaterWorks 480104 pH Check 30 Seconds Test Time 2-12 pH Range -Pack of 30-

Direct from the Manufacturer - USA WATERWORKS EXTENDED RANGE PH - FOIL PACKETS CONTAIN 30 FOIL PACKED TESTS MEASURING EXTENDED RANGE PH LEVELS. Our test strips contained in this kit gives assurance with testing through our dual-padded indicators. Separate color pads on the indicator provide easier and more accurate testing when reading results. No need for calibration with these strips like pH meters. This product DOES NOT need the eXact iDip to read results.