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good evening, what PH calibration buffer solution should I take for the PH-1-3-0456 SoOnde PH Zodiac tri pro probe?

Hello, one moment please

https://ph-redox-pool.com/gb/pool-buffer-calibration-solution/1911-ph75-buffer-calibration-solution.html

Ok and for the ACL Redox probe (I would need a 700mV buffer solution according to the zodiac specThis product

We offer 650 mV for this case. This works with our customers because the measurement accuracy is +/- 30 mV.

there are 2 650mV products. Should I take PS-1644? or PS-PH650-50?

for you PS-PH650-50

OK it's noted. thank you

Thank you .