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Water Testing, TDS Meters and Test Supplies
  1. HM DIGITAL- Replacement Sensor SP-P2 for PH-200 PH Meter- 1000

    HM Digital SP-P2 Replacement Sensor for PH-200 PH Meter

    Regular Price: $59.99

    Special Price $45.99

    As low as: $39.99

    HM Digital SP-P2 Replacement Sensor for PH-200 PH Meter Learn More
  2. PH Buffer Solution From HM Digital - 12 Pillow Packets

    PH Buffer Solution From HM Digital - 12 Pillow Packets

    Regular Price: $19.99

    Special Price $13.99

    As low as: $10.99

    HM Digital's pH buffer solution comes in powder form, so it's lightweight, takes up very little space, is inexpensive and has an indefinite shelf life. Variety pack of pH buffer solution. Simple to use. Powder has an indefinite shelf life. Total volume: 1.2 liters. Each powder packet makes 100 ml of solution (when mixed with distilled or deionized water) Contents: 3 packets of 4.0 pH, 6 packets of 7.0 pH, 3 packets of 10.01 pH Extra: Includes one empty 100 ml bottle Accuracy: +/- 0.02 pH at 25 degrees Celsius Preparation directions included with the pack. Learn More
  3. Hanna ® pH 7.01 Buffer Solution HI7007M

    Hanna ® pH 7.01 Buffer Solution HI7007M

    Regular Price: $23.99

    Special Price $13.99

    As low as: $11.99

    Hanna ® pH 7.01 Buffer Solution HI7007M used to calibrate meters. Hanna pH buffers are made of Potassium Dihydrogen Phosphate and Disodium Hydrogen Phosphate and are standardized with a pH meter that is calibrated to NIST primary standard buffer solutions (NIST 186Ie & 186IIe and NIST 158g S.R.M.). 230 ml bottle. Learn More

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