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Zero Oxygen Solution, 500 mL


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Calibration of the Hanna® Dissolved Oxygen Meter (item #652349) is performed with Zero Oxygen Solution and 100% calibration is done in air. 500-mL bottle.

   This item is sold and shipped to schools and businesses only. Not available to individuals or residential addresses. For substitution suggestions, please call us at 800.334.5551 (8am to 8pm, ET, Monday-Friday).


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