Hanna Instruments Checker Plus pH Tester Brand: Hanna Instruments HI98100 Checker® Plus pH Tester The HI98100 Checker Plus is the next generation of the original Hanna Checker pH tester. The Checker is the most popular pH meter in the world with over 1 million meters used since its introduction in 1991. From … Item #: 409227 In Stock
Hanna Instruments Halo Direct Soil Bluetooth pH Electrode Brand: Hanna Instruments FC2022 Hanna Instruments Direct Soil HALO Bluetooth® pH Electrode This Bluetooth® enabled electrode turns your Apple or Android device into a full-featured portable pH meter. Hanna Instruments Direct Soil HALO pH Electrode gives you the ability … Item #: 409236 In Stock
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