About pHin

pHin is reinventing pool and hot tub care with a WiFi-enabled smart monitor and a mobile phone app to take away the guesswork. The pHin Smart Monitor continuously monitors your pool or hot tub water chemistry and temperature, and notifies your phone when you need to balance the water quality. All you need to do is add pHin’s pre-measured, single-dose, color-coded pods or get dosing instructions to use it with your own chemicals. One-touch pool service is also available through our network of pre-qualified pool technicians whenever needed at a pre-negotiated price.

pHin is the first product from ConnectedYard Inc. headquartered in San Jose, California, which is dedicated to being the center of the connected backyard. Beginning with pool and hot tub care, our smart technology will expand to include everyday components involved in outdoor living. Our goal is to bring intelligence, simplicity and fun to the backyard.

Press Releases & Fact Sheet

pHin Smart Water Care Recognized as Best Smart Home Product


pHin Features

easy care

Timely, customized in-app alerts tell you exactly what to do. We'll also ship you upgraded hardware automatically, at no extra charge.


Works with chlorine, salt and bromine. Get pHin with our chemical subscription plan or enjoy it without chemical subscription.

confidence in your water

Measures pH, chlorine, bromine and temperature 24/7. Also tests for total alkalinity, total hardness and cyanuric acid, as needed.

accurate & reliable

State-of-the-art, professional-grade sensors and no moving parts give consistent and reliable readings.

specialty chemicals

If your pool or hot tub ever needs any specialty chemicals, such as algaecide, we'll ship you what you need at a highly competitive rate.


Get expert help when you need it but only pay for it when you want it. No need to pay someone year-round if you just need a quick pool cleaning or pump repair.

Pool And Hot Tub Industry At A Glance

  • Injuries from pool chemicals led to nearly 5,000 emergency room visits in 2012 - CDC report
  • Swimming pool and hot tub market in US - APSP report
  • Swimming pool cleaning services - IBISWorld report

Founder Bios

Justin Miller
Founder, CEO

Justin Miller is the co-founder and CEO of ConnectedYard Inc., the makers of pHin. Justin is the former CEO of Plaxo Inc and President and founder of the Comcast Innovation Center in Silicon Valley. With experience in product development / management and user experience at eBay, both in the US and in Europe, Justin also led human interface designs at Apple, designing the desktop and networking user experience for MacOS. Justin has an M.A. in Human Computer Interaction from Rice University and a B.A. in Psychology from Rutgers University.

Mark Janes
Founder, COO

Mark Janes is the co-founder and COO of ConnectedYard Inc., the makers of pHin. Mark is a leader in the interactive media, start-up and tech industries. He has a proven track record of successfully building companies, launching products internationally and managing the operations, sales and marketing teams of a wide range of successful companies. Mark has an M.A. in Interactive Media from Southampton University, UK.





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Product Images

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pHin Lifestyle Images

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pHin Mobile App Images

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press@phin.co CEO, Justin Miller - (cell) 408-686-9466