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pHin is a smart water care monitor for pools and hot tubs and offers 24/7 automated support via mobile app to keep water balanced and safe. The pHin Smart Monitor provides continuous water monitoring via the in-water device, the mobile app and yearly monitoring subscription, free for a year with kit purchase. pHin supports hot tubs, pools, and swim spas that are chlorine, bromine, or salt-water based and tests water quality over 1,000 times a week to reduce false alarms and help you accurately maintain water quality. Scan chemicals purchased into the mobile app and pHin will provide exact dosing instructions based on the amount and brand you purchased. The pHin Smart Monitor comes with a lifetime warranty for yearly subscribers.

pHin Questions

The pHin annual revenue was $8.6 million in 2026.

3 people are employed at pHin.

pHin is based in San Jose, California.

The NAICS codes for pHin are [33, 333].

The SIC codes for pHin are [39, 399].

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