pHin – Water care made Simple

Hot Tub Water Care Simplified

Know Your Water Quality at a Glance

Knowing your hot tub is clean and ready for use shouldn’t require a chemistry degree. The pHin App uses a color-changing disc to indicate your water quality.



Easy to Use

  • Be notified when it’s time to add chemicals

  • Get simple instructions to accurately adjust your water

  • Keep your hot tub safe and ready for use!

Order pHin Today!

Just $349

pHin Water Monitoring System includes:

  • pHin Smart Monitor, Wireless Bridge, & Mobile App
  • pHin Chemical Monitoring Included*
  • Use your own chemicals


Learn More or Buy Now

*Just $99/year after first year

Buy pHin Hot tub