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Contact: Hello, which calibration solution should I buy for a Zodiac Perfect pH probe? It's a pool with an electrolyzer.
Technical Advisor: Hello, one moment.
Technical Advisor: Here is the link to the calibration solution I recommend: https://ph-redox-pool.com/gb/pool-buffer-calibration-solution/1640-ph4-ph7-calibration-kit.html
Contact: Great, that's what I thought. I will order it. Thank you very much.
Technical Advisor: Thank you. Have a nice day.
Contact: Can we do multiple calibrations or just one?