pHin Makes Hot Tub Care Easy

Your Water Quality at a Glance

Knowing your hot tub is healthy shouldn't require a chemistry degree, which is why 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 your family

pHin Works Best with Bromine

  • We’ve found that bromine keeps your Hot Tub balanced for longer when using pHin
  • Converting from chlorine to bromine is painless and doesn’t even require a water change

Order pHin Today

Monitoring Only

Complete Hot Tub Care

$349
about $29 a month
$499/year
about $41 a month plus delivery
pHin Smart Monitor, Wireless Bridge, & Mobile App pHin Smart Monitor, Wireless Bridge, & Mobile App
pHin Chemical Monitoring Included - $99/year after first year pHin Chemical Monitoring Included
No chemicals included - use your own chemicals Chemicals for your hot tub delivered to your door in water-soluble color-coded pods.
  • Works with chlorine, bromine, and salt
  • Works with all sizes of pools, hot tubs, and swim spas
  • Works with bromine hot tubs - easy to convert from chlorine
  • Works for hot tubs between 220 and 1,000 gallons
  • Up to 45 lbs. of chemicals shipped
  • Up to 6 chemical shipments
Learn More Buy Now

Order pHin Today

Complete Hot Tub Care

$499/year
about $41 a month plus delivery
pHin Smart Monitor, Wireless Bridge, & Mobile App
pHin Chemical Monitoring Included
Chemicals for your hot tub delivered to your door in water-soluble color-coded pods.
  • Works with bromine hot tubs - easy to convert from chlorine
  • Works for hot tubs between 220 and 1,000 gallons
  • Up to 45 lbs. of chemicals shipped
  • Up to 6 chemical shipments
Buy Now

Drain & winterize your hot tub? Get seasonal hot tub care.

$399/year
about $99 a month plus delivery
Learn More
  • 4 months of chemicals for your hot tub delivered to your door in water-soluble color-coded pods
  • Up to 20 lbs. of chemicals shipped
  • Up to 2 chemical shipments
  • Pause your subscription at any time to continue in the next season
  • $99 per month for extra months
  • NOTE: If you need 6 months or more of chemicals it's cheaper to buy a year round subscription.
Buy Now

Monitoring Only

$349
about $29 a month
pHin Smart Monitor, Wireless Bridge, & Mobile App
pHin Chemical Monitoring Included - $99/year after first year
No chemicals included - use your own chemicals
  • Works with chlorine, bromine, and salt
  • Works with all sizes of pools, hot tubs, and swim spas
Learn More