WaterGuru SENSE is currently available and ready for shipping within the U.S.

WaterGuru SENSE is PC Mag Editor’s Choice winner for smart pool monitors.

We’re working as fast as possible to make international shipping available. Check back frequently for updated information.

It’s hard to beat the automated convenience of daily electronic testing.

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Installs in seconds.

SENSE fits any approx. 8” round pool skimmer opening (for square skimmers, purchase the WaterGuru Square Skimmer Adapter).

Install in seconds

Replaces skimmer cover

Battery operated

Patented optical sensors

Patented optical sensors.

Chlorine and pH readings precisely calibrated to your pool.

Optical Tech

Cl and pH readings

Precise calibration

Measures the entire pool chemistry, not just the surface water.

Built-in flow sensor measures pool chemistry while your pump is on.

Entire pool chemistry

Proprietary chemistry pads

Precise color reading

SENSE Gen 2 Batteries and Cassette Installation / Replacement

Forget about test strips. Get WaterGuru advice.

Get Guru advice based on your pool conditions. Available now for iOS and Android.

Peace of mind in the palm of your hand.

See your pool chemistry instantly. If anything’s off, the app tells you exactly what to do.

Peace of mind in the palm of your hand.

Peace of mind in the palm of your hand.

See your pool chemistry instantly. If anything’s off, the app tells you exactly what to do.

Your pool data stays safe in the cloud.

SENSE is wi-fi enabled, sending data securely to the cloud, so you can check your pool water’s health anytime, anywhere.

Wi-Fi enabled


Check it anytime

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Customer ratings and reviews

Reviews submitted by verified WaterGuru users.
(64 Reviews)
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Measure your pool pH and chlorine. Daily. Automatically.

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Patented technology

Optical sensor precisely reads the color of each measurement pad, registering small changes indiscernible to the naked eye.

SENSE’s film strip

Made from laminated-glass components to ensure stability in chlorinated water.

Flow sensor

Measures pool chemistry while your pump is on.

Measure on-demand.

In addition to monitoring pool chemistry daily, measure on-demand via the app. Available now for iOS and Android.

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Measure App

Tech specs


9” diameter plus lab unit


Bluetooth Smart aka Bluetooth Low Energy (BLE)

802.11 b/g/n (2.4 GHz) Wi-Fi

Color & Materials

White Plastic


4 “C” Cell Alkaline Batteries

(From our testing, Energizer or Duracell brands highly recommended)


128-bit AES with unique-per-device PSK

Automatic over-the-air updates

What’s in the box

- Skimmer cover plate with batteries and communication connectivity

- 4 batteries

- Connected/cabled Lab unit that sits in the skimmer water to take measurements

- Lab measurement cartridge/cassette

- Quick start guide

- Square skimmer adapter and mounting adapter ring for 9″ skimmers sold separately


- 8″ to 9″ round operational skimmer

- Requires iOS 12.0 later, or Android 9 or later

- 802.11 b/g/n (2.4 GHz) Wi-Fi with RSSI -75 or better at skimmer (-65 or better preferred)

- Requires WPA/WPA2 Wi-Fi security (the older standards: WEP and 802.1X are not supported)

- Optional Wi-Fi extender may be used


Understand exactly what your pool needs.

Included with purchase of SENSE, WaterGuru TEST is our lab-grade analysis of your pool water quality. Mail in a sample of your pool’s water with TEST and we’ll send you back professional, lab-tested water quality data, calibrated precisely to your pool.

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TEST sends custom reports and recommendations right to your WaterGuru app. You’ll have access to precise information about:

  • Total Alkalinity (TA)
  • Calcium Hardness (CH)
  • Cyanuric Acid (CYA)
  • Copper
  • Iron
  • Salt
  • Phosphate

WaterGuru TEST

Relax while we run your pool water lab results.

WaterGuru TEST comes with SENSE