Calibration Kit for the Alpine PRO MP3 The calibration kit includes three

The calibration kit includes three 20 mL single-use packs of premium quality pH 4

and other debris from your cold tub for a clean and therapeutic experience

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1 - Balance Down (8oz)

Calibration Kit for the Alpine PRO MP3 The calibration kit includes threeDesigned specifically for the Alpine PRO Cold Tub, this calibration kit helps ensure accurate pH and ORP sensor calibration for reliable automated water care performance. The calibration kit includes three 20 mL single use packs of premium quality pH 4. 01 buffer solution, three 20 mL single use packs of pH 7. 01 buffer solution and three single use packs of 470 mV ORP (Oxidation Reduction Potential) test solution. The kit includes: Three 20 mL single