Have both a pool and a hot tub? Get a Multi-Item Discount!

pHin Without Chemicals
Perfect for pools, hot tubs and swim spas of all sizes
Use with your own store-bought chemicals

pHin Without Chemicals
Use your own chemicals.
$99 per year after the first year. Why?
Ships Now 

Learn how you can use pHin with your own chemicals

$299

pHin With Chemicals – Year Round
12-month chemical subscription delivered to your door as needed
Perfect for 10,000 – 50,000-gallon pools (get pHin Without Chemicals for less than 10,000 gallons)

Chlorine Pools
Compatible with all types of systems using tablets or sticks in a skimmer or floater, liquid or granular
Ships within 3 to 5 days

$598/yr

Chlorine Pools
Compatible with Inline Chlorinator
Ships within 3 to 5 days

$598/yr

Salt Pools
Compatible with Inline Salt Generators (note: doesn’t measure salt levels)
Ships within 3 to 5 days

$598/yr

pHin With Chemicals – Seasonal
4-month chemical subscription delivered to your door as needed – for people who winterize
Perfect for 10,000 – 50,000-gallon pools (get pHin Without Chemicals for less than 10,000 gallons)

Additional months can be added as needed

Chlorine Pools
Compatible with all types of systems using tablets or sticks in a skimmer or floater, liquid or granular
Ships within 3 to 5 days

$408/yr

Chlorine Pools
Inline Chlorinator
Ships within 3 to 5 days

$408/yr

Salt Pools
Compatible with Inline Salt Generators (note: doesn’t measure salt levels)
Ships within 3 to 5 days

$408/yr

Have both a pool and a hot tub? Get a Multi-Item Discount!

pHin Without Chemicals
Perfect for pools, hot tubs and swim spas of all sizes
Use with your own store-bought chemicals

pHin Without Chemicals
Use your own chemicals.
$99 per year after the first year. Why?
Ships Now

Learn how you can use pHin with your own chemicals

$299

pHin With Chemicals – Year Round
12-month chemical subscription delivered to your door as needed
Perfect for 220 – 1,000-gallon hot tubs (Get pHin Without Chemicals for other sizes)

Bromine Hot Tubs
Ships within 3 to 5 days
Don’t use Bromine?

$488/yr

pHin With Chemicals – Seasonal
4-month chemical subscription delivered to your door as needed – for people who winterize
Perfect for 220 – 1,000 gallon-hot tubs (Get pHin Without Chemicals for other sizes)
Additional months can be added as needed

Bromine Hot Tubs
Ships within 3 to 5 days
Don’t use Bromine?

$348/yr

Have both a pool and a hot tub? Get a Multi-Item Discount!

pHin Without Chemicals
Perfect for pools, hot tubs and swim spas of all sizes
Use with your own store-bought chemicals

pHin Without Chemicals
Use your own chemicals.
$99 per year after the first year. Why?
Ships Now

Learn how you can use pHin with your own chemicals

$299