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| Easy to use drop pH tester. |
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| Never again watch your tester sink to the bottom of a tank or pond — the OAKTON Double Junction pHTestr 1 floats! |
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| Specifically designed to address the needs of the operators in the hydroponics, greenhouses and nurseries. |
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| The popular GRO'CHEK pH continuous monitor has a large, easy-to-read LCD. |
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| The Gro'Chek Combo meters measure continuosly both pH and TDS (EC) at the same time. |
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| Microprocessor based pH Tester with a clog resistant cloth junction electrode and a rugged one-piece splash proof casing. |
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| Optimum Growth Calibration Solution is available in pH 4.01 (pink) and 7.01 (green). |
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| Electrode Storage Solution ensures non-damaging storage for pH electrodes. |
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| pH electrode cleaning solution designed to clean and restore electrodes and keep them in good working condition. |
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