Compatibility and Calibration of ORP Probe 1-3-1900 for Hayward's Aquarite Pro The ORP probe 1-3-1900 is compatible with Hayward's Aquarite Pro system. It is specifically designed to work seamlessly with this system, ensuring accurate and reliable measur

Client
Does the ORP probe 1-3-1900 fit the original blue probe of the Aquarite Pro from Hayward?

Technical Advisor
Hello, yes.

Client
It seems much longer to me?

Technical Advisor
That's the scale of the image. It fits into the analysis chamber without any problem, that's what it's made for. Our guarantee: https://ph-redox-pool.com/gb/content/15-compatible-or-refunded

Client
Ok, and do I need to calibrate the new probe before using it and with which exact products?

Technical Advisor
Yes, one moment.
https://ph-redox-pool.com/gb/pool-buffer-calibration-solution/620-650mv-buffer-calibration-solution.html