Reviews phin pool care

Published on February 24th, 2021 | by Roger Corbinetti


pHin Smart Pool Water Sensor Review

DISCLOSURE: As an Amazon Associate, I earn from qualifying purchases.

NOTE: the pHin Smart Pool Water Sensor has been discontinued by the manufacturer.

We recommend taking a look at the WaterGuru SENSE if you are interested in a hands-free digital pH and chlorine monitoring system for your pool.  Unlike the pHin, there is no monthly subscription, you can replenish the sensor pads, and it works exactly as promised.

Monitoring your pool or spa water is now easier than ever, thanks to the introduction of smart pool water sensors. These little devices help in monitoring your pool water to ensure that you are not at risk of jumping into the water with too many chemicals.

One such smart pool water sensor is the pHin Smart Pool Water Sensor. It is a smart solution for water monitoring that can prevent health risks and sickness. It can not only help you effectively monitor your pool water, but it can also keep it clean and clear all the time.

The smart pool water sensor features remote connectivity that connects to your home Wi-Fi network. It smartly measures the pH, sanitizer as well as temperature levels of your water with great accuracy.

With the help of the derived data, you can decide if you need to add more chemicals. You can also use the data to keep the amount in check. 

phin pool monitor

Key Features

The pHin Smart Pool Water sensor uses cutting-edge technology to ensure your safety in the swimming pool. It does so by intelligently monitoring your pool water via remote connectivity.

This little water sensor provides accurate information about environmental factors that can affect your water.

Once all the data is collected, the water sensor provides recommendations and continuous notifications for a great swimming experience. The following are some of the features that make the pHin smart pool water sensor stand out:

Flawless Design

The attractive design of the pHin smart pool water sensor is what catches the eye at first glance. Made out of quality plastic, the lightweight pHin water sensor is well-protected as it stays afloat on your pool’s water surface.

Weighing only 9.8 ounces, the smart pool water sensor continuously monitors your water pH levels and temperature and notifies you about it.

The smart pool water sensor also monitors the number of chemicals present in the water quite effectively. With the help of the gathered information, it allows you to adjust chemical levels of chlorine or bromine in the water.

Besides, the oval-shaped water sensor comes with a wireless bridge that keeps you notified continuously through a mobile app.

Unmatched Performance

A notable feature of the pHin smart pool water sensor is its solid performance. Apart from being super-accurate at measuring temperature, pH levels, and chemical presence, the water sensor is a time saver. Rather than performing a strip test every day, you can simply get alerts on your mobile to adjust your water’s chemical levels.

Also, there is no rechargeable battery present in the device or any filters that you need to replace regularly. In other words, the pHin smart pool water sensor is ‘maintenance-free.’ All you have to do is place the smart pool water sensor in the water and let it do the rest.

Ease of Use

Unlike conventional smart pool water sensors, the pHin sensor’s mobile app has a user-friendly interface. It displays multiple readings and measurements quite conveniently, which you can access at any time. 


The pHin smart pool water sensor promises a lifetime warranty. However, you can also subscribe to its yearly subscription for timely alerts and chemical recommendations along with ‘free replacement.’

phin pool monitor

Product Specifications and Technical Details

  • Weight: 9.8 ounces
  • Warranty: Lifetime
  • Wi-Fi Connectivity: 2.4GHz
  • Product Dimensions: 1.5 x 4.5 x 10 inches
  • Battery: Lithium-Ion
  • Works with: Bromine, chlorine, and saltwater pools
  • Measures: Temperature, pH level, and sanitizer level 


How it Works/How to use the pHin Smart Pool Water Sensor

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The great thing about the pHin smart pool water sensor is its ability to smartly and accurately monitor your pool water. But before you put your pHin water sensor in the water for real-time monitoring, you should first download the pHin app.

The app will guide you through the installation process, which includes account creation, verification, and connecting to the Bridge.

After the Bridge is set up, you can then communicate with the pHin monitor to set its location. You’ll also receive notifications and readings of the pH levels, temperature, and sanitizer in your pool water.

The pHin smart pool water sensor stays afloat while effectively monitoring your pool water. 

To screen your pool water, dunk a strip in water and take its picture through the app. This will be uploaded to the database. After analyzing, it will display total alkalinity, Cyanuric acid levels, and total hardness upon clicking the ‘Water Report’ widget. 

Moreover, to view a 7-90-day readout of pH levels, sanitizer, and temperature of your water, click the ‘Charts’ widget on the mobile app.


The pHin smart pool water sensor is, without a doubt, one of the best ways to monitor your pool water. Whether you want to check the pH levels or your pool water temperature, pHin does it with great reliability. 

With the added convenience of smart connectivity and highly-accurate measurements, this model steals the show. Unfortunately, it doesn’t come without its limitations, which include:


The price is probably the first thing that you notice while purchasing any product. The pHin is a remarkable smart pool water sensor, but it does come with a premium price tag. The little device is excellent at monitoring your pool water, but it’s not a viable option for those on a limited budget.


The pHin smart pool water sensor has a limited lifespan of only two years. That is a deal-breaker for those who want to enjoy years of pool water monitoring without investing too much.

Requires Subscription

The continuous smart alerts and recommendations that the pHin smart pool water sensor promises are a great feature. However, to avail of these luxuries, you must subscribe to its yearly subscription. 

Where to Buy 

If the pHin Smart Pool Water Sensor fits your budget, you can get it here.


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About the Author

I’ve owned a pool for over 20 years. During that time, I have owned and reviewed dozens of pool cleaners, especially robotic pool cleaners. I created RoboticPoolCleanersCompared to help other home owners leverage my experience to select the right pool cleaner, pool heater, pool cover and modern pool appliance for their needs & budget.

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