10 Best Pool Chemistry Monitor of 2025

Crystal Smart Water Monitor for Salt Water Pools & Hot Tubs - 24/7 Continuous Digital Water Testing with App Notifications & Customized Chemical Dosing (New Model)

Crystal Water Monitor

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Crystal Smart Water Monitor for Salt Water Pools & Hot Tubs - 24/7 Continuous Digital Water Testing with App Notifications & Customized Chemical Dosing (New Model)

Why We Love It

SIMPLIFIED POOL & HOT TUB CARE: The Crystal Smart Water Monitor actively tests your pool or hot tub's water 1,000 times per week to give you personalized chemical recommendations that are much more reliable than any single point-in-time sample of water or a test strip reading. It's as simple as monitor, notify, and adjust.
AUTOMATIC NOTIFICATIONS: The Crystal Water Monitor app automatically alerts you when you need to adjust your chemicals and provides precise chemical dosing recommendations customized for your pool or hot tub. Works with both Android and iOS.
TAKES GUESSWORK OUT OF ADDING CHEMICALS: Scan your chemicals barcode once, and the Crystal Water Monitor app will customize your chemical dosing recommendations for your preferred chemical brand. Supports all major chemical brands.
SUPPORTS SALTWATER TYPES: Works with saltwater pools, hot tubs and swim spas. Chlorine/bromine version also available.
THE CRYSTAL CLEAR CHOICE: While other smart monitors only sample your water once a day, Crystal continuously monitors it 144x a day providing the most accurate readings and dosing recommendations. Enjoy the freedom to use any of your preferred chemical brands instead of being forced to use proprietary ones. Say goodbye to expensive monthly replacement cartridge purchases competitive monitors require. Upgrade from confusing and inaccurate test strips with precise digital testing and save time constantly taking individual water samples to your pool store.
RELIABLE SERVICE & SUPPORT: Complimentary first-year service and US based customer support with your Crystal Water Monitor. Renew for $99/year thereafter to continue to receive ongoing notifications, chemical dosing, service, support, and free replacement parts.

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Why We Love It

SIMPLIFIED POOL & HOT TUB CARE: The Crystal Smart Water Monitor actively tests your pool or hot tub's water 1,000 times per week to give you personalized chemical recommendations that are much more reliable than any single point-in-time sample of water or a test strip reading. It's as simple as monitor, notify, and adjust.
AUTOMATIC NOTIFICATIONS: The Crystal Water Monitor app automatically alerts you when you need to adjust your chemicals and provides precise chemical dosing recommendations customized for your pool or hot tub. Works with both Android and iOS.
TAKES GUESSWORK OUT OF ADDING CHEMICALS: Scan your chemicals barcode once, and the Crystal Water Monitor app will customize your chemical dosing recommendations for your preferred chemical brand. Supports all major chemical brands.
SUPPORTS SALTWATER TYPES: Works with saltwater pools, hot tubs and swim spas. Chlorine/bromine version also available.
THE CRYSTAL CLEAR CHOICE: While other smart monitors only sample your water once a day, Crystal continuously monitors it 144x a day providing the most accurate readings and dosing recommendations. Enjoy the freedom to use any of your preferred chemical brands instead of being forced to use proprietary ones. Say goodbye to expensive monthly replacement cartridge purchases competitive monitors require. Upgrade from confusing and inaccurate test strips with precise digital testing and save time constantly taking individual water samples to your pool store.
RELIABLE SERVICE & SUPPORT: Complimentary first-year service and US based customer support with your Crystal Water Monitor. Renew for $99/year thereafter to continue to receive ongoing notifications, chemical dosing, service, support, and free replacement parts.

9.5

Excellent

Crystal Water Monitor

Crystal Smart Water Monitor for Chlorine & Bromine Pools, Hot Tubs & Swim Spas - 24/7 Continuous Digital Water Testing with App Notifications & Customized Chemical Dosing (New Model)

Main Highlights

SIMPLIFIED POOL & HOT TUB CARE: The Crystal Smart Water Monitor actively tests your pool or hot tub's water 1,000 times per week to give you personalized chemical recommendations that are much more reliable than any single point-in-time sample of water or a test strip reading. It's as simple as monitor, notify, and adjust.
AUTOMATIC NOTIFICATIONS: The Crystal Water Monitor app automatically alerts you when you need to adjust your chemicals and provides precise chemical dosing recommendations customized for your pool or hot tub. Works with both Android and iOS.
TAKES GUESSWORK OUT OF ADDING CHEMICALS: Scan your chemicals barcode once, and the Crystal Water Monitor app will customize your chemical dosing recommendations for your preferred chemical brand. Supports all major chemical brands.
SUPPORTS CHLORINE & BROMINE WATER TYPES: Works with chlorine and bromine pools, hot tubs and swim spas. Saltwater version also available.
THE CRYSTAL CLEAR CHOICE: While other smart monitors only sample your water once a day, Crystal continuously monitors it 144x a day providing the most accurate readings and dosing recommendations. Enjoy the freedom to use any of your preferred chemical brands instead of being forced to use proprietary ones. Say goodbye to expensive monthly replacement cartridge purchases competitive monitors require. Upgrade from confusing and inaccurate test strips with precise digital testing and save time constantly taking individual water samples to your pool store.
RELIABLE SERVICE & SUPPORT: Complimentary first-year service and US based customer support with your Crystal Water Monitor. Renew for $99/year thereafter to continue to receive ongoing notifications, chemical dosing, service, support, and free replacement parts.

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Main Highlights

SIMPLIFIED POOL & HOT TUB CARE: The Crystal Smart Water Monitor actively tests your pool or hot tub's water 1,000 times per week to give you personalized chemical recommendations that are much more reliable than any single point-in-time sample of water or a test strip reading. It's as simple as monitor, notify, and adjust.
AUTOMATIC NOTIFICATIONS: The Crystal Water Monitor app automatically alerts you when you need to adjust your chemicals and provides precise chemical dosing recommendations customized for your pool or hot tub. Works with both Android and iOS.
TAKES GUESSWORK OUT OF ADDING CHEMICALS: Scan your chemicals barcode once, and the Crystal Water Monitor app will customize your chemical dosing recommendations for your preferred chemical brand. Supports all major chemical brands.
SUPPORTS CHLORINE & BROMINE WATER TYPES: Works with chlorine and bromine pools, hot tubs and swim spas. Saltwater version also available.
THE CRYSTAL CLEAR CHOICE: While other smart monitors only sample your water once a day, Crystal continuously monitors it 144x a day providing the most accurate readings and dosing recommendations. Enjoy the freedom to use any of your preferred chemical brands instead of being forced to use proprietary ones. Say goodbye to expensive monthly replacement cartridge purchases competitive monitors require. Upgrade from confusing and inaccurate test strips with precise digital testing and save time constantly taking individual water samples to your pool store.
RELIABLE SERVICE & SUPPORT: Complimentary first-year service and US based customer support with your Crystal Water Monitor. Renew for $99/year thereafter to continue to receive ongoing notifications, chemical dosing, service, support, and free replacement parts.

9.5

Excellent

WaterGuru

WaterGuru Sense S2 Smart Pool Monitor – Digital Pool & Spa Water Tester for Chlorine, pH, CYA & Alkalinity – Wi-Fi Enabled – Includes C5 Cassette, Float Ring & Batteries

Main Highlights

Exclusive Compatibility The WaterGuru SENSE S2 works exclusively with two cassette options: the C5 Cassette (included with purchase) and the C2 Cassette. The C5 Cassette lasts 1 month with daily measurements, while the C2 Cassette lasts 2 months with daily measurements.
Fits Most Skimmers Adapters Available if Needed! WaterGuru SENSE S2 fits round skimmers between 8.25 and 9.4 without an adapter. For 10 square skimmers, use the WaterGuru Square Adapter. For round skimmers larger than 9.4, use the WaterGuru Circle Adapter. Both adapters are sold separately.
Easy Installation Drop the device into your skimmer for fast setup. No test strips required. Step-by-step guides, FAQs, and troubleshooting are available in the WaterGuru App.
Wi-Fi Setup Guidance Connects to your home Wi-Fi for automatic daily readings. For best performance, ensure the device is within 30 ft of your router or mesh node. If you experience connection issues, go to Your Orders, select your WaterGuru SENSE S2, and choose Get Product Support for assistance.
Manufacturer Support Program Every customer has direct access to our US-based support team for help with setup, connectivity, or readings. For support, go to to Your Orders, select your WaterGuru SENSE S2, and choose Get Product Support for assistance.
Reliable Pool & Spa Testing Measures five key water parameters daily: pH, free chlorine, cyanuric acid (CYA), total alkalinity, and hardness. Helps maintain balanced, clear water for safe swimming.

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Main Highlights

Exclusive Compatibility The WaterGuru SENSE S2 works exclusively with two cassette options: the C5 Cassette (included with purchase) and the C2 Cassette. The C5 Cassette lasts 1 month with daily measurements, while the C2 Cassette lasts 2 months with daily measurements.
Fits Most Skimmers Adapters Available if Needed! WaterGuru SENSE S2 fits round skimmers between 8.25 and 9.4 without an adapter. For 10 square skimmers, use the WaterGuru Square Adapter. For round skimmers larger than 9.4, use the WaterGuru Circle Adapter. Both adapters are sold separately.
Easy Installation Drop the device into your skimmer for fast setup. No test strips required. Step-by-step guides, FAQs, and troubleshooting are available in the WaterGuru App.
Wi-Fi Setup Guidance Connects to your home Wi-Fi for automatic daily readings. For best performance, ensure the device is within 30 ft of your router or mesh node. If you experience connection issues, go to Your Orders, select your WaterGuru SENSE S2, and choose Get Product Support for assistance.
Manufacturer Support Program Every customer has direct access to our US-based support team for help with setup, connectivity, or readings. For support, go to to Your Orders, select your WaterGuru SENSE S2, and choose Get Product Support for assistance.
Reliable Pool & Spa Testing Measures five key water parameters daily: pH, free chlorine, cyanuric acid (CYA), total alkalinity, and hardness. Helps maintain balanced, clear water for safe swimming.

9.2

Excellent

AIPER

AIPER HydroComm Smart Pool Monitor, 24/7 Digital Water Testing for Pools, Hot Tubs & Spas, 5-in-1 Accurate Testing, App Control, Customized Optimization Tips, White

Main Highlights

Real-Time Smart Pool Monitoring: Featuring that continuously measure key water quality parameters. Instantly view real-time results in the Aiper app for immediate, on-the-go insights into your pool's water quality.
Tailored Optimization Insights: Precise water testing and personalized water quality recommendations instantly in the Aiper App. These actionable tips empower you to efficiently optimize water quality, ensuring a cleaner, healthier pool.
Comprehensive 5-in-1 Testing: Equipped with an advanced detection head, the Aiper HydroComm delivers precise measurements of pH, ORP, EC, TDS, and temperature. This all-in-one solution ensures a safer, healthier, and perfectly balanced pool.
Instant Readings: HydroComm effortlessly connects to the Aiper App via WiFi or Bluetooth, delivering real-time water quality data at your fingertips. View historical trends, and gain to better understand and manage your pool.
Continuous Water Monitoring: The HydroComm pool monitor is solar-powered for 24/7 water quality testing in full sunlight. On cloudy days, it seamlessly transitions to DC charging.

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Main Highlights

Real-Time Smart Pool Monitoring: Featuring that continuously measure key water quality parameters. Instantly view real-time results in the Aiper app for immediate, on-the-go insights into your pool's water quality.
Tailored Optimization Insights: Precise water testing and personalized water quality recommendations instantly in the Aiper App. These actionable tips empower you to efficiently optimize water quality, ensuring a cleaner, healthier pool.
Comprehensive 5-in-1 Testing: Equipped with an advanced detection head, the Aiper HydroComm delivers precise measurements of pH, ORP, EC, TDS, and temperature. This all-in-one solution ensures a safer, healthier, and perfectly balanced pool.
Instant Readings: HydroComm effortlessly connects to the Aiper App via WiFi or Bluetooth, delivering real-time water quality data at your fingertips. View historical trends, and gain to better understand and manage your pool.
Continuous Water Monitoring: The HydroComm pool monitor is solar-powered for 24/7 water quality testing in full sunlight. On cloudy days, it seamlessly transitions to DC charging.

9.0

Excellent

AIPER

AIPER HydroComm Smart Pool Monitor, 24/7 Digital Water Testing for Pools, Hot Tubs & Spas, 5-in-1 Accurate Testing, App Control, Customized Optimization Tips, Blue

20% Off

Main Highlights

Real-Time Smart Pool Monitoring: Featuring that continuously measure key water quality parameters. Instantly view real-time results in the Aiper app for immediate, on-the-go insights into your pool's water quality.
Tailored Optimization Insights: Precise water testing and personalized water quality recommendations instantly in the Aiper App. These actionable tips empower you to efficiently optimize water quality, ensuring a cleaner, healthier pool.
Comprehensive 5-in-1 Testing: Equipped with an advanced detection head, the Aiper HydroComm delivers precise measurements of pH, ORP, EC, TDS, and temperature. This all-in-one solution ensures a safer, healthier, and perfectly balanced pool.
Instant Readings: HydroComm effortlessly connects to the Aiper App via WiFi or Bluetooth, delivering real-time water quality data at your fingertips. View historical trends, and gain to better understand and manage your pool.
Continuous Water Monitoring: The HydroComm pool monitor is solar-powered for 24/7 water quality testing in full sunlight. On cloudy days, it seamlessly transitions to DC charging.

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Main Highlights

Real-Time Smart Pool Monitoring: Featuring that continuously measure key water quality parameters. Instantly view real-time results in the Aiper app for immediate, on-the-go insights into your pool's water quality.
Tailored Optimization Insights: Precise water testing and personalized water quality recommendations instantly in the Aiper App. These actionable tips empower you to efficiently optimize water quality, ensuring a cleaner, healthier pool.
Comprehensive 5-in-1 Testing: Equipped with an advanced detection head, the Aiper HydroComm delivers precise measurements of pH, ORP, EC, TDS, and temperature. This all-in-one solution ensures a safer, healthier, and perfectly balanced pool.
Instant Readings: HydroComm effortlessly connects to the Aiper App via WiFi or Bluetooth, delivering real-time water quality data at your fingertips. View historical trends, and gain to better understand and manage your pool.
Continuous Water Monitoring: The HydroComm pool monitor is solar-powered for 24/7 water quality testing in full sunlight. On cloudy days, it seamlessly transitions to DC charging.

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8.8

Very Good

kactoily

Digital Pool Water Tester & Pool Chemical Monitor with App, Smart Pool Monitor for Chlorine, Salt, pH, ORP, TDS, EC, Temp, Ideal Pool Salt Tester for Saltwater Pool, Spa, Aquarium

Main Highlights

Versatile Pool Chemical Monitor: This digital pool water tester accurately measures pH, Chlorine, ORP, TDS, EC, Temperature, and Salinity. No need for extra pool test strips, chlorine test strips, or pool thermometerone easy device for complete pool care
Real-Time App Alerts: The WiFi-enabled smart pool monitor connects to the Tuya app, sending instant alerts and storing water history directly to your phone. It replaces manual testing and chlorine test strips, making pool care simple and beginner-friendly
High-Precision Probe with Battery Power: Equipped with advanced sensors powered by replaceable batteries, this pool chemical monitor ensures stable and precise readings without interruption. Ideal for long-term, low-maintenance pool management
Cost-Effective Smart Pool Monitor: Affordable pool test kit functions as pool salt tester, chlorine tester for pool, and pool chemical tester. Saves money by reducing the need for multiple tools or services, ensuring safe, balanced water for pools and spa
Wide Compatibility: Professional pool water monitor works for all pool types, including above-ground, inground, saltwater, and chlorine pools. The intuitive design and app connectivity make this pool chemical tester perfect for home or professional use

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Main Highlights

Versatile Pool Chemical Monitor: This digital pool water tester accurately measures pH, Chlorine, ORP, TDS, EC, Temperature, and Salinity. No need for extra pool test strips, chlorine test strips, or pool thermometerone easy device for complete pool care
Real-Time App Alerts: The WiFi-enabled smart pool monitor connects to the Tuya app, sending instant alerts and storing water history directly to your phone. It replaces manual testing and chlorine test strips, making pool care simple and beginner-friendly
High-Precision Probe with Battery Power: Equipped with advanced sensors powered by replaceable batteries, this pool chemical monitor ensures stable and precise readings without interruption. Ideal for long-term, low-maintenance pool management
Cost-Effective Smart Pool Monitor: Affordable pool test kit functions as pool salt tester, chlorine tester for pool, and pool chemical tester. Saves money by reducing the need for multiple tools or services, ensuring safe, balanced water for pools and spa
Wide Compatibility: Professional pool water monitor works for all pool types, including above-ground, inground, saltwater, and chlorine pools. The intuitive design and app connectivity make this pool chemical tester perfect for home or professional use

8.6

Very Good

UIUZMAR

UIUZMAR Smart pH and Chlorine Pool Monitor pH and Salinity Tester 7 in 1 pH, Salt, EC, TDS, Free Chlorine, ORP, and Temperature Floating Solar Charged Chlorine Monitor for Saltwater Pool, Hot Tub

Main Highlights

[7 in 1 Pool Water Monitoring] Measures pH, Salt, EC, TDS, Free Chlorine, ORP, and Temperature, help you maintain perfect water balance for your pool hot tub, spa. Range: pH (0.0-14.0pH), Salinity (0-9990ppm), ORP (-999~+999mV), CL (0.0-4.0mg/L), EC (0-9990S/cm, 10.01-19.99mS/cm), TDS (0-9990ppm), Temperature (32.0-122.0).
[Professional Pool Salinity and pH Tester] This pH and salinity monitor is ideal for saltwater pool and hot tub owners, providing accurate readings for both salinity and pH to ensure your water stays clean and balanced. The recommended pH is 7.2-7.8 pH, with an optimal salinity range of 2700-3400 ppm.
[Accurate Free Chlorine Measurement] Checks free chlorine levels in your pool with high accuracy, helps maintain the ideal free chlorine level of 1-3mg/L. Easy to use, perfect for both beginners and experienced pool owners.
[Smart pH and Chlorine Pool Monitor] Float design for continuous monitoring of pool water quality conditions; UIUZMAR monitor is connected through a WiFi Tuya gateway and only supports working within the 2.4GHz wireless network coverage; Monitoring your pool is easy through the intuitive app, ensuring that you always get precise and real-time readings.
[Solar-powered, No Batteries Required] Solar charging options give you flexibility and convenience, so you never have to worry about running out of power, ideal for outdoor backyard pools; The package contains pH7.00/ 10.01 and EC 12.88 calibration solution to facilitate your daily testing of whether the values are accurate and to meet subsequent calibration needs.

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Main Highlights

[7 in 1 Pool Water Monitoring] Measures pH, Salt, EC, TDS, Free Chlorine, ORP, and Temperature, help you maintain perfect water balance for your pool hot tub, spa. Range: pH (0.0-14.0pH), Salinity (0-9990ppm), ORP (-999~+999mV), CL (0.0-4.0mg/L), EC (0-9990S/cm, 10.01-19.99mS/cm), TDS (0-9990ppm), Temperature (32.0-122.0).
[Professional Pool Salinity and pH Tester] This pH and salinity monitor is ideal for saltwater pool and hot tub owners, providing accurate readings for both salinity and pH to ensure your water stays clean and balanced. The recommended pH is 7.2-7.8 pH, with an optimal salinity range of 2700-3400 ppm.
[Accurate Free Chlorine Measurement] Checks free chlorine levels in your pool with high accuracy, helps maintain the ideal free chlorine level of 1-3mg/L. Easy to use, perfect for both beginners and experienced pool owners.
[Smart pH and Chlorine Pool Monitor] Float design for continuous monitoring of pool water quality conditions; UIUZMAR monitor is connected through a WiFi Tuya gateway and only supports working within the 2.4GHz wireless network coverage; Monitoring your pool is easy through the intuitive app, ensuring that you always get precise and real-time readings.
[Solar-powered, No Batteries Required] Solar charging options give you flexibility and convenience, so you never have to worry about running out of power, ideal for outdoor backyard pools; The package contains pH7.00/ 10.01 and EC 12.88 calibration solution to facilitate your daily testing of whether the values are accurate and to meet subsequent calibration needs.

8.3

Very Good

poolrx

PoolRX+ pool unit 7.5k-20k gallons

31% Off

Main Highlights

Eliminates all types of Pool Algae
Reduces chemical demand
Effective for up to 6 Months
NSF/ANSI 50 Certified
Ideal for Chlorine, Salt, UV or Ozone systems
New formula now with 3 Active Ingredients

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Main Highlights

Eliminates all types of Pool Algae
Reduces chemical demand
Effective for up to 6 Months
NSF/ANSI 50 Certified
Ideal for Chlorine, Salt, UV or Ozone systems
New formula now with 3 Active Ingredients

8.1

Very Good

EASYTEST

EASYTEST 7-Way Pool Test Strips, 150 Strips Water Chemical Testing for Hot tub and Spa, Accurate Test Bromine, Total Alkalinity, pH, Free Chlorine, Total Hardness, Cyanuric Acid, and Total Chlorine

7% Off

Main Highlights

AFFORDABLE 150 STRIPS: This water chemical testing kit contains 150 test strips. Enough balanced for your swimming pool, hot tub, spa and other water testing. At least testing twice a week is recommended to keep your pool sparkling clean and safe.
ACCURATE AND FAST TESTING: Just soak in water for 1 seconds; Then take it out,no need to shake excess water off and hold the test strip horizontally for 15 seconds; Compare with the color chart on the bottle to obtain clear and accurate water quality results.
7 IN 1 POOL TEST KIT: Test all necessary parameters for your swimming pool at 1 time, such as Bromine, Total Alkalinity, pH, Free Chlorine, Total Hardness, Cyanuric Acid, and Total Chlorine. Check water quality at any time you want.
HIGH ACCURACY POOL TESTING STRIPS: High-quality fiber paper and no-bleeding pads selected after repeated trials by R&D personnel. No need to shake off excess water and follow the instructions easily, you will to get the accurate results.
TIPS FOR ACCURATE RESULTS: Keep wet fingers away from the strips. Read under natural daylight for best results.Store in a cool dry place.The expiration is 2 years from manufacture. Once opened, use up in 90 days.

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Main Highlights

AFFORDABLE 150 STRIPS: This water chemical testing kit contains 150 test strips. Enough balanced for your swimming pool, hot tub, spa and other water testing. At least testing twice a week is recommended to keep your pool sparkling clean and safe.
ACCURATE AND FAST TESTING: Just soak in water for 1 seconds; Then take it out,no need to shake excess water off and hold the test strip horizontally for 15 seconds; Compare with the color chart on the bottle to obtain clear and accurate water quality results.
7 IN 1 POOL TEST KIT: Test all necessary parameters for your swimming pool at 1 time, such as Bromine, Total Alkalinity, pH, Free Chlorine, Total Hardness, Cyanuric Acid, and Total Chlorine. Check water quality at any time you want.
HIGH ACCURACY POOL TESTING STRIPS: High-quality fiber paper and no-bleeding pads selected after repeated trials by R&D personnel. No need to shake off excess water and follow the instructions easily, you will to get the accurate results.
TIPS FOR ACCURATE RESULTS: Keep wet fingers away from the strips. Read under natural daylight for best results.Store in a cool dry place.The expiration is 2 years from manufacture. Once opened, use up in 90 days.

Best Value

8.1

Very Good

JNW Direct

JNW 7-in-1 Pool Test Strips, 100 Quick & Accurate Test Strips for Pool Water, Spa Test Strips for Hot Tub, Chlorine Test Strips, Bromine, pH, Alkalinity, Hardness & More - Swimming Pool Test Kit

33% Off

Main Highlights

AFFORDABLE 7-IN-1 POOL TESTING KIT: Our 100 pool test strips provides an affordable, all in one pool water testing kit for various chemicals including Free Chlorine, Alkalinity, pH levels and more!
QUICK & EASY: Simplify your pool and spa testing with our easy pool testing strips. Just dip our hot tub test strips into the water for 2 seconds, wait for 30 seconds, and compare the results accurately to the provided color chart.
ACCURATE & RELIABLE: Our swimming pool test strips deliver highly precise readings, ensuring the safety and cleanliness of your pool or hot tub water. Utilize our pool strips at least twice a week for optimal maintenance.
FREE E-BOOK: Gain access to valuable insights and tips on using our pool and spa test strips and maintaining balanced chemical levels with our complimentary eBook, enhancing your pool testing experience.
TIPS FOR USAGE: Ensure the longevity and effectiveness of your pool test strips by keeping them away from moisture and light, securely closing the container after use, and using them within 90 days of opening.

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Main Highlights

AFFORDABLE 7-IN-1 POOL TESTING KIT: Our 100 pool test strips provides an affordable, all in one pool water testing kit for various chemicals including Free Chlorine, Alkalinity, pH levels and more!
QUICK & EASY: Simplify your pool and spa testing with our easy pool testing strips. Just dip our hot tub test strips into the water for 2 seconds, wait for 30 seconds, and compare the results accurately to the provided color chart.
ACCURATE & RELIABLE: Our swimming pool test strips deliver highly precise readings, ensuring the safety and cleanliness of your pool or hot tub water. Utilize our pool strips at least twice a week for optimal maintenance.
FREE E-BOOK: Gain access to valuable insights and tips on using our pool and spa test strips and maintaining balanced chemical levels with our complimentary eBook, enhancing your pool testing experience.
TIPS FOR USAGE: Ensure the longevity and effectiveness of your pool test strips by keeping them away from moisture and light, securely closing the container after use, and using them within 90 days of opening.

Discounted Pool Chemistry Monitor

Pool Salt Tester & PH Meter, Hofun Digital Salinity Meter and PH Tester for Aquarium and Pool Saltwater Water, 5 in 1 Salinity PH Temp EC and TDS Meter, Aquarium Swimming Pool Hot Tub, High Accuracy

10% OffFree Shipping

Pool Salt Tester & PH Meter, Hofun Digital Salinity Meter and PH Tester for Aquarium and Pool Saltwater Water, 5 in 1 Salinity PH Temp EC and TDS Meter, Aquarium Swimming Pool Hot Tub, High Accuracy

Wide Usage PH Meter : Hofun ph meter is an essential tool to improve your life quality. This digital ph tester can be applied in the following applications,drinking water quality test, swimming pools quality monitor, PH balance measurement in RO/DI system, aquarium, spa, hot tub or hydroponics.

Digital Water Testing Kit - Digital Hot Tub Water Tester for Pool - Digital Chlorine Tester for Pool by AquaDoc with Water Analyzer and Test Strips

9% OffFree Shipping

Digital Water Testing Kit - Digital Hot Tub Water Tester for Pool - Digital Chlorine Tester for Pool by AquaDoc with Water Analyzer and Test Strips

Are you tired of figuring out test strips? Insert them into the Eagle Ray Digital Water Tester and save yourself a trip to the pool supply store. Eagle Ray gives you directional numbers to help you balance your pool & spa.

New Digital Pool Water Tester & Smart Pool Monitor for Chlorine, ORP, Salinity, pH, EC, TDS & Temp - 24/7 Pool Chemical Monitor for Hot Tubs, Pond & Spas

6% OffFree Shipping

New Digital Pool Water Tester & Smart Pool Monitor for Chlorine, ORP, Salinity, pH, EC, TDS & Temp - 24/7 Pool Chemical Monitor for Hot Tubs, Pond & Spas

Multi-Functional Pool Salt Tester: This smart pool monitor automatically measures Chlorine, pH, Salinity, ORP, EC, TDS, and Temperature, simplifying the maintenance of pools and spas while ensuring the water remains clear, safe, and perfectly balanced

iopool Smart Water Monitor - Works for Chlorine & Bromine Pools, Hot Tubs, & Swim Spas - Gives Precise Dosage recommendations.

iopool Smart Water Monitor - Works for Chlorine & Bromine Pools, Hot Tubs, & Swim Spas - Gives Precise Dosage recommendations.

✅ Compatible with Chlorine, Bromine and Active Oxygen

Digital Pool Water Tester Photometer – Accurate Water Analyzer for Pools, Spas & Hot Tubs – Tests 27 Parameters – Bluetooth/WiFi – App for pH, Chlorine, Alkalinity & More

Digital Pool Water Tester Photometer – Accurate Water Analyzer for Pools, Spas & Hot Tubs – Tests 27 Parameters – Bluetooth/WiFi – App for pH, Chlorine, Alkalinity & More

Smart Digital Water Testing – Accurately measures 27 key water parameters, including pH, chlorine, alkalinity, and hardness, for pools, spas, and hot tubs

Smart Pool Monitor Pro, Digital Pool Water Tester for Chlorine/pH/ORP/Salinity/TDS/EC with App Control, Electronic Pool Chemical Tester for Hot Tub & Spa

Smart Pool Monitor Pro, Digital Pool Water Tester for Chlorine/pH/ORP/Salinity/TDS/EC with App Control, Electronic Pool Chemical Tester for Hot Tub & Spa

Full-Function Digital Pool Water Tester: Accurately tests pH for pool, chlorine tester, EC, TDS meter digital water tester, temp, ORP, and salinity tester for saltwater pool. A complete digital water tester for pool and hot tub owners who want worry-free water care

Yewhick Smart Pool Monitor with Gateway, Profession Salt Water Pool Testing kit for Swimming Pool, 7 in 1 Chlorine Salinity ORP Monitor for Aquarium Sodium Chloride Swimming Pools Hot Tub Spas

Yewhick Smart Pool Monitor with Gateway, Profession Salt Water Pool Testing kit for Swimming Pool, 7 in 1 Chlorine Salinity ORP Monitor for Aquarium Sodium Chloride Swimming Pools Hot Tub Spas

Comprehensive 7-in-1 Smart Pool Monitor: Equipped with an advanced detection head, the Yewhick digital pool water tester measurements of chlorine ,pH, SALT, ORP, EC, TDS, and temperature. This all-in-one solution ensures a safer, healthier, and perfectly balanced pool. We have also thoughtfully prepared a gateway for you, so that you can be the first to pair wifi, and quickly enjoy the intelligent pool value detection.

Floating Digital Water Quality Tester – 7-in-1 Smart Pool Water Monitor for pH, Chlorine, Salinity, ORP, EC, TDS, and Temperature – Real-Time Wireless WiFi Monitoring for Pools, Spas, and Hot Tubs

Floating Digital Water Quality Tester – 7-in-1 Smart Pool Water Monitor for pH, Chlorine, Salinity, ORP, EC, TDS, and Temperature – Real-Time Wireless WiFi Monitoring for Pools, Spas, and Hot Tubs

🔹 7-in-1 Digital Pool & Spa Water Quality Monitoring System – All-in-one smart floating tester measures pH, free chlorine (CL), salinity (SALT), ORP, EC, TDS, and temperature with professional-grade accuracy. Ideal for saltwater swimming pools, chlorine pools, hot tubs, jacuzzis, hydrotherapy pools, and spa maintenance—your automated water chemistry meter for healthy, crystal-clear water.

CIZTADA Saltwater Pool Tester Free Chlorine Meter pH and Salinity Tester 7 in 1 Free Chlorine pH Salt ORP TDS EC Temp Meter Digital Pool Water Tester pH and Free Chlorine Meter for Pool Hot Tub Spa

CIZTADA Saltwater Pool Tester Free Chlorine Meter pH and Salinity Tester 7 in 1 Free Chlorine pH Salt ORP TDS EC Temp Meter Digital Pool Water Tester pH and Free Chlorine Meter for Pool Hot Tub Spa

Keep the Right Free Chlorine for Your Pool: Free chlorine range: 0.0-4.0ppm; Recommend free chlorine level of pool between 1-3ppm, the proper free chlorine balance can keep your pool equipment working longer. This meter will help maintain healthy pool and hot tubs water chemistry.