Highlighting the best pool monitoring system of 2024, this image showcases a top-rated product for maintaining pool health and clarity.

Best Pool Monitoring Systems of 2024

Starting your journey towards owning the best pool monitoring system can be a smart move for any pool owner.

Having the right system in place can make pool maintenance less of a chore and more of a simple, straightforward task. These systems are designed to keep track of your pool’s condition, alerting you to changes in water chemistry and temperature, among other factors.

This means you can easily maintain the perfect swimming environment and ensure the safety and cleanliness of your pool without constant manual testing.

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Our Top Picks

We provide our product links with Amazon assurance whenever possible.

Best Price$31
Crystal Water Monitor
Waterguru – Sense S2
opool Smart Water Monitor
Braxlee Advanced 5 in 1
ORAPXI pH and Salt Meter
lifebuoy Pool Alarm System

Best Overall: Crystal Water Monitor

Imagine a gadget that makes pool care easy and smart. Meet the Crystal Water Monitor: the best overall buddy for your pool. With this little helper, keeping your pool water clean and safe is a breeze. It’s designed to be super user-friendly, so everyone in the family can help check on the pool. It’s like having a pool expert right in your backyard!

Crystal Water Monitor provides the best pool monitoring system to ensure your pool's crystal clear condition.


  • Real-Time Monitoring: Get updates on your pool water condition instantly.
  • Easy Installation: Set it up in minutes, no tools needed.
  • Smartphone App: Control and monitor from anywhere with your phone.
  • Water Temperature Alert: Know when the water’s just right.
  • Chemical Balance: Keeps track of pH and chlorine levels.
  • Battery Life: Lasts a whole pool season on a single charge.
  • Eco-Friendly Design: Made with recyclable materials.
  • Weatherproof: Rain or shine, it keeps on monitoring.
Pros User-Friendly Accurate Measurements Long Battery Life
Cons Premium Price Limited Color Options Requires Smartphone

Who Is It For?

The Crystal Water Monitor is perfect for any pool owner who wants to spend more time enjoying their pool and less time worrying about its maintenance. Whether you have a small backyard oasis or a large pool for family and friends to enjoy, this gadget makes pool care simple and stress-free.

It’s especially great for busy families who value outdoor time together or anyone who loves hosting pool parties but hates the hassle of pool upkeep. With its smart features and easy setup, even kids can help check the pool, making it a fun family activity that ensures your pool is always ready for a splash.

Best Multi-Parameter Monitoring: Waterguru – Sense S2

Dive into a world of pristine pool water with the WaterGuru Sense S2, your ultimate pool ally! This smart device effortlessly keeps your pool water safe and sparkling. Say goodbye to the guesswork of pool maintenance. The Sense S2 is all about making pool care easy and accurate, turning your backyard into a haven of health and happiness.

The WaterGuru Sense S2 offers the best pool monitoring system capabilities with smart app integration for real-time updates.


  • Measurements: Tracks Free Chlorine, pH, Total Alkalinity, Cyanuric Acid, Calcium Hardness
  • Connectivity: Bluetooth for seamless app updates
  • Power: Operated by 4 C type alkaline batteries
  • Design: Sleek, modern, all-plastic build resistant to water damage
  • Compatibility: Suitable for both saltwater pools and hot tubs/spas with the included Float Ring
  • Battery Life: Approximately 6 months with recommended Energizer brand
  • Cassette Life: C5 Cassette lasts 1 month; C2 Cassette for basic measurements lasts 2 months
  • Warranty: 1-year warranty and 30-day money-back guarantee​​​​.
Pros Plug-and-play design No monthly subscription Lab-grade reporting
Cons Surface-level measurements Cassette replacement required Limited to water movement

Who Is It For?

The Waterguru Sense S2 is a dream come true for pool owners who crave simplicity and accuracy in maintaining their pool’s health. It’s perfect for those who value their time and peace of mind, providing a hands-off approach to pool chemistry management.

Ideal for both traditional chlorine pools and saltwater systems, as well as for those with hot tubs or spas, the Sense S2 caters to a wide range of pool types and sizes. If you’re looking for hassle-free, accurate pool monitoring, the Waterguru Sense S2 is your go-to solution.

Best Known: opool Smart Water Monitor

Meet the game-changing opool Smart Water Monitor – a sleek, innovative device designed to make pool maintenance a breeze for anyone who loves a sparkling clean pool without the guesswork. With its easy setup and user-friendly app, this monitor keeps your pool water perfect, offering peace of mind and more time to enjoy your backyard oasis.

Pool Smart Water Monitor stands out as the best pool monitoring system for ensuring optimal water conditions.


  • Weight: Less than 150g
  • Size: 20cm length
  • Connectivity: Bluetooth and WiFi
  • Compatibility: Chlorine, Bromine, Salt Pools, and Spas
  • Battery Life: Extended, no need for replacement
  • Water Analysis: pH, Temperature, ORP
  • App Features: Real-time water quality monitoring, chemical dosage recommendations
  • Warranty: 2 years
Pros Discreet Design User-Friendly Improved Precision
Cons Requires Bluetooth App Dependent Initial Cost

Who Is It For?

The opool Smart Water Monitor is perfect for the busy homeowner who values both the cleanliness of their pool and their time. If you love hosting pool parties or enjoy a quiet swim after a long day but dread the complexity of pool maintenance, this device is your new best friend.

It suits tech-savvy individuals looking for a hassle-free way to ensure their pool’s health and safety. Whether your pool is a hub for family fun, a tranquil retreat, or a bit of both, opool makes it easy to keep the water inviting and clear, without requiring you to be a chemistry expert.

Best for Quick Testing: Braxlee Advanced 5 in 1

Meet the Braxlee Advanced 5 in 1, your new pool care sidekick! This small, pen-like gadget is a powerhouse for pool and spa maintenance. With its ability to test for salt, pH, TDS, EC, and temperature, it’s designed to save you time, money, and give you peace of mind. Its easy-to-use features make pool upkeep simple, ensuring you spend more time enjoying the water and less on maintenance.

The Braxlee Advanced 5-in-1 is the best pool monitoring system for checking water quality with precision and ease.


  • Tests: Salt, pH, TDS, EC, Temperature
  • pH Range: 0.00-14.00
  • Salt Range: 0-9990 ppm; 10.0-100.0ppt
  • TDS Range: 0-9900ppm; 10.0-100.0ppt
  • EC Range: 0-9990µS/cm; 10.01-19.99mS/cm
  • Calibration: 6.86/4.0/9.18 pH; 1413µS/cm/12.88S/cm
  • Weight: 5.6 ounces
  • Dimensions: 9.29 x 3.23 x 2.01 inches​​​​​​.
Pros Instant Results Multi-Functional Easy Calibration
Cons Manual Calibration Needed Limited Range Indicator Periodic Recalibration

Who Is It For?

The Braxlee Advanced 5 in 1 is perfect for pool and spa owners who value convenience and precision. Particularly beneficial for those with color vision deficiencies, it offers a digital alternative to traditional test strips, ensuring accurate and easy-to-read results every time.

Best Portable: ORAPXI pH and Salt Meter

Dive into the world of easy and precise water quality monitoring with the ORAPXI pH and Salt Meter. This compact, all-in-one tool is designed to make keeping your water perfect a breeze. Its user-friendly interface ensures anyone can get accurate readings fast, making it a go-to for pool owners, aquarium enthusiasts, and hydroponics gardeners alike. Say goodbye to guesswork and hello to crystal-clear water.

Trust OraPXi for the best pool monitoring system, offering precise pH and salt level readings.


  • Measures: pH, Salt, TDS, EC, and Temperature
  • Accuracy: High precision sensors
  • Display: Clear LCD with backlight
  • Calibration: Automatic, with reminders
  • Design: Waterproof and durable
  • Portability: Compact and lightweight
  • Battery Life: Long-lasting, with low power indicator
  • Ease of Use: Simple operation, instant readings
Pros High precision Multi-functional Easy calibration
Cons Initial cost Battery-dependent Learning curve

Who Is It For?

The ORAPXI pH and Salt Meter is perfect for anyone looking for an easy, accurate way to check water quality. Whether you’re maintaining a sparkling pool, ensuring the health of your aquarium, or optimizing your hydroponics garden, this tool is up to the task. Its simple operation appeals to both beginners and seasoned pros, making it a great choice for schools, homes, and professional settings. If you care about keeping your water in top condition without the hassle, the ORAPXI Meter is for you.

Best for Pool Safety: lifebuoy Pool Alarm System

Dive into the world of pool safety with the lifebuoy Pool Alarm System, your reliable guardian against accidental falls into the water. This innovative system blends seamlessly with your pool environment, offering real-time monitoring and alerts to ensure the safety of your loved ones. Engage in worry-free pool times, knowing the lifebuoy Pool Alarm System watches over your aquatic haven.

The Lifebuoy Pool Alarm System is the best pool monitoring system for adding a layer of safety to your swimming area.


  • Connectivity: Seamlessly integrates with Alexa and offers a smartphone app for full control from afar.
  • Performance: Boasts an advanced algorithm to reduce false alarms and emits a loud alarm at both the pool and home units.
  • Compatibility: Fits every pool type, including spas and garden ponds, and supports connecting up to 4 pool units with one home unit.
  • Reliability: Offers a 3-year manufacturer’s warranty, crafted from durable materials, and is IP68 waterproof certified.
  • Portability: Easily transportable for vacations, ensuring safety wherever you go.
  • Easy Installation: Comes with all necessary hardware for a quick setup.
  • Swim Mode: Features a thoughtful swim mode that pauses the alarm to allow for swimming, reactivating if no movement is detected for a prolonged period.
  • Battery Life: The pool unit’s battery lasts up to 18 months, easily replaceable for continuous protection.
Pros Advanced algorithm Portable design 3-year warranty
Cons Limited Bluetooth range Incompatible with solar cover Potential for false alarms

Who Is It For?

The lifebuoy Pool Alarm System is an essential safety addition for any pool owner, especially those with young children or pets. Its versatile design makes it perfect for all types of pools, spas, and garden ponds, ensuring the well-being of your loved ones with minimal hassle.

With features like swim mode, advanced connectivity options, and a portable build, it’s particularly suited for families seeking peace of mind without compromising on pool enjoyment. Whether at home or on vacation, the lifebuoy Pool Alarm System provides the security you need to keep your pool area safe and sound.

What I Wish I Knew Before I Got The Pool Monitoring System?

  1. Accuracy and Installation: Some systems, like WaterGuru Sense, are praised for their accuracy since they are placed in the skimmer, close to the water pump, using replaceable chemistry pads for precise readings. However, some users found the time to display results (over ten minutes) longer than expected​​.
  2. Ease of Use and Cost: Systems such as pHin offer easy installation and comprehensive apps with detailed reports and dosing recommendations. However, the cost can be a concern as the monitoring service, which is initially free, requires a subsequent purchase​​.
  3. Battery and Maintenance: The PoolSense Smart Pool Monitor eliminates installation hassles and provides easy app-guided monitoring but comes with a factory-sealed battery that cannot be replaced by the user​​. This contrasts with devices like the Sutro Pool Maintenance System, which requires monthly cartridge changes and has a battery that only lasts a month​​.
  4. Range and Compatibility: Some systems, like WaterSense from WaterGuru, offer remote connectivity and a comprehensive app but have limitations, such as a short range of up to six feet and measurements taken only once per day​​.
  5. Monitoring Capabilities: While smaller devices like the EcO from iopool are celebrated for their compactness and ease of use, they may not suit saltwater pools and measure limited parameters, requiring occasional calibration with test strips​​.

How do I monitor my pool water level?

To effectively monitor your pool’s water level, consider incorporating smart pool monitoring systems and automatic water levelers.

The WaterGuru Sense is a standout for its accuracy and ease of use, leveraging replaceable chemistry pads to analyze water chemistry from your pool’s skimmer, offering detailed insights into chlorine, pH, water temperature, and flow rates through an app. It is praised for its simple setup and good battery life​​.

On the other hand, the Staypoolizer and Airlie Pool Water Leveler offer solutions for maintaining your desired water height automatically. Staypoolizer is appreciated for its durability and effective operation with water pressure over 155psi, though it may require a weight for stability​​.

Airlie’s model allows for a customizable fit and includes a built-in pressure-reducing valve, ensuring an easy and stable setup​​. These options cater to different needs: the former focuses on water chemistry analysis and the latter on maintaining water levels.

How do I monitor my pool chemicals?

Monitoring your pool chemicals effectively ensures a clean, safe, and balanced swimming environment. The best pool monitoring systems simplify this task, providing real-time data on chemical levels, pH, temperature, and more.

Systems like WaterGuru Sense, pHin Smart Water Monitor, and PoolSense Smart Pool Monitor are among the top picks for their accuracy, ease of use, and comprehensive monitoring capabilities.

WaterGuru Sense, for instance, is distinguished by its placement in the pool skimmer and use of chemistry pads for accurate readings of chlorine, pH, water temperature, and flow rates, all accessible via a smartphone app​​. pHin adds versatility by supporting various pool types, including saltwater, bromine, or chlorine-based pools, and offering recommendations for chemical adjustments​​.

PoolSense, known for its hassle-free setup, provides regular updates on water quality, making pool care straightforward​​. When selecting a smart pool monitor, consider user friendliness, the range of monitored parameters, compatibility with your pool type, and overall cost-effectiveness.

These devices offer a smart way to maintain pool health, providing peace of mind and saving time and resources in pool management​.

Emily Thompson is a passionate technology enthusiast and skilled reviewer, deeply knowledgeable about every niche within the tech world. Emily's expertise and keen eye for detail make her an invaluable guide for anyone looking to understand or purchase tech products. The products listed in this article were chosen according to our expert tests.