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$39.99
$45.99
Tilswall 2-In-1 Pool Water Quality Tester - Digital, Hand-Held
Tilswall US
13% off
$39.99
$45.99
Tilswall 2-In-1 Pool Water Quality Tester - Digital, Hand-Held
Tilswall US
$25.97
$37.99
Pool Salt Tester, Digital Salt Water Pool Tester & Ph Tester, Salt Tester For Saltwater Pool, Digital Salinity Tester For Water, 5 in 1 Salinity Ph
Amazon.com
31% off
$25.97
$37.99
Pool Salt Tester, Digital Salt Water Pool Tester & Ph Tester, Salt Tester For Saltwater Pool, Digital Salinity Tester For Water, 5 in 1 Salinity Ph
Amazon.com
$11.76
2 in 1 Chlorine Meter PH Chlorine Tester PC-101 Level Portable Digital PH Meter Water Quality Pool
Aliexpress
$11.76
2 in 1 Chlorine Meter PH Chlorine Tester PC-101 Level Portable Digital PH Meter Water Quality Pool
Aliexpress
$19.99
Tudoupeng Pool Salt Tester & Ph Meter Digital 5 in 1 Salinity Ph EC Temp TDS Meter For Water Quality, Waterproof Water Tester With Backlight For
Amazon.com
$19.99
Tudoupeng Pool Salt Tester & Ph Meter Digital 5 in 1 Salinity Ph EC Temp TDS Meter For Water Quality, Waterproof Water Tester With Backlight For
Amazon.com
$1,212.83
Lamotte 3581 Mobile Waterlink Spin Touch Lab
Amazon.com
Free shipping
$1,212.83
Lamotte 3581 Mobile Waterlink Spin Touch Lab
Amazon.com
$10.34
$20.48
4 in 1 Digital PH Meter PH TDS EC TEMP Tester Backlight Water Quality Tester For Pools Drinking
Aliexpress
Free shipping
49% off
$10.34
$20.48
4 in 1 Digital PH Meter PH TDS EC TEMP Tester Backlight Water Quality Tester For Pools Drinking
Aliexpress
$32.99
Pool Salt Tester - Multifunctional 5 in 1 Salinity, PH, TDS, EC, And Temperature Meter, Pool Salinity Testing Kit, Digital Salinity Tester For
Amazon.com
$32.99
Pool Salt Tester - Multifunctional 5 in 1 Salinity, PH, TDS, EC, And Temperature Meter, Pool Salinity Testing Kit, Digital Salinity Tester For
Amazon.com
$449.00
Crystal Smart Water Monitor For Chlorine & Bromine Pools, Hot Tubs & Swim Spas - 24/7 Continuous Digital Water Testing With App Notifications &
Amazon.com
123
Free shipping
$449.00
Crystal Smart Water Monitor For Chlorine & Bromine Pools, Hot Tubs & Swim Spas - 24/7 Continuous Digital Water Testing With App Notifications &
Amazon.com
$280.02
Solaxx Safedip 6 in 1 Digital Chemistry Reader MET20A
Pool Supply Unlimited
$280.02
Solaxx Safedip 6 in 1 Digital Chemistry Reader MET20A
Pool Supply Unlimited
$34.90
$74.80
4 in 1 Digital Pool Tester - PH Meter, TDS Meter, EC Meter, Temperature Meter, Water Quality Monitor
US AMERICA
53% off
$34.90
$74.80
4 in 1 Digital Pool Tester - PH Meter, TDS Meter, EC Meter, Temperature Meter, Water Quality Monitor
US AMERICA
$654.06
Solaxx Safedip Pro Digital Chemistry Reader MET50A
Pool Supply Unlimited
$654.06
Solaxx Safedip Pro Digital Chemistry Reader MET50A
Pool Supply Unlimited
$97.56
$197.49
Ultimate Digital Pool Water Tester, Easy To Use At Home, Bluetooth, Wi-Fi, App, Cloud, Pool Testing Kit, 27 Water Parameters, Accurate, All In One, Field Tested - Poolwaterlab
ANFAPROYEC
50% off
$97.56
$197.49
Ultimate Digital Pool Water Tester, Easy To Use At Home, Bluetooth, Wi-Fi, App, Cloud, Pool Testing Kit, 27 Water Parameters, Accurate, All In One, Field Tested - Poolwaterlab
ANFAPROYEC
$97.56
$197.49
Digital Pool Water Tester Photometer - Accurate Water Analyzer For Pools, Spas Hot Tubs - Tests 27 Parameters - Bluetooth/Wifi - App For Ph, Chlorine, Alkalinity More(Updated In 2025 (Version 2))
ANFAPROYEC
50% off
$97.56
$197.49
Digital Pool Water Tester Photometer - Accurate Water Analyzer For Pools, Spas Hot Tubs - Tests 27 Parameters - Bluetooth/Wifi - App For Ph, Chlorine, Alkalinity More(Updated In 2025 (Version 2))
ANFAPROYEC
$13.33
2 in 1 Chlorine Meter PH Chlorine Tester PC-101 Level Portable Digital PH Meter Water Quality Pool
Aliexpress
Free shipping
$13.33
2 in 1 Chlorine Meter PH Chlorine Tester PC-101 Level Portable Digital PH Meter Water Quality Pool
Aliexpress
$97.56
$197.49
Digital Pool Water Tester Photometer - Accurate Water Analyzer For Pools, Spas Hot Tubs - Tests 27 Parameters - Bluetooth/Wifi - App For Ph, Chlorine, Alkalinity More(Updated In 2025 (Version 2))
evacontinental.com
50% off
$97.56
$197.49
Digital Pool Water Tester Photometer - Accurate Water Analyzer For Pools, Spas Hot Tubs - Tests 27 Parameters - Bluetooth/Wifi - App For Ph, Chlorine, Alkalinity More(Updated In 2025 (Version 2))
evacontinental.com
$97.56
$197.49
Ultimate Digital Pool Water Tester, Easy To Use At Home, Bluetooth, Wi-Fi, App, Cloud, Pool Testing Kit, 27 Water Parameters, Accurate, All In One, Field Tested - Poolwaterlab
evacontinental.com
50% off
$97.56
$197.49
Ultimate Digital Pool Water Tester, Easy To Use At Home, Bluetooth, Wi-Fi, App, Cloud, Pool Testing Kit, 27 Water Parameters, Accurate, All In One, Field Tested - Poolwaterlab
evacontinental.com
$84.37
$152.57
Ultimate Digital Pool Water Tester, Easy To Use At Home, Bluetooth, Wi-Fi, App, Cloud, Pool Testing Kit, 27 Water Parameters, Accurate, All In One, Field Tested - Poolwaterlab
theeurobot
44% off
$84.37
$152.57
Ultimate Digital Pool Water Tester, Easy To Use At Home, Bluetooth, Wi-Fi, App, Cloud, Pool Testing Kit, 27 Water Parameters, Accurate, All In One, Field Tested - Poolwaterlab
theeurobot
$17.67
$34.64
4 in 1 PH Meter PH/TDS/EC/Temperature Meter Digital Water Quality Monitor Tester For Pools Drinking
Aliexpress
Free shipping
48% off
$17.67
$34.64
4 in 1 PH Meter PH/TDS/EC/Temperature Meter Digital Water Quality Monitor Tester For Pools Drinking
Aliexpress
$2.49
$3.56
PH Meter Digital PH Tester Water Quality Testers Acidity Measure Device Water Pool Aquarium
Aliexpress
Free shipping
30% off
$2.49
$3.56
PH Meter Digital PH Tester Water Quality Testers Acidity Measure Device Water Pool Aquarium
Aliexpress
$239.98
Lamotte Colorq 2X Testabs PRO 7 2087
PoolZoom.com
$239.98
Lamotte Colorq 2X Testabs PRO 7 2087
PoolZoom.com
$17.47
5 in 1 Water Quality Tester Digital TDS/EC/PH/Salinity/Temperature Meter For Pools Aquariums Water
Aliexpress
Free shipping
$17.47
5 in 1 Water Quality Tester Digital TDS/EC/PH/Salinity/Temperature Meter For Pools Aquariums Water
Aliexpress
$84.37
$152.57
Digital Pool Water Tester Photometer - Accurate Water Analyzer For Pools, Spas Hot Tubs - Tests 27 Parameters - Bluetooth/Wifi - App For Ph, Chlorine, Alkalinity More(Updated In 2025 (Version 2))
theeurobot
44% off
$84.37
$152.57
Digital Pool Water Tester Photometer - Accurate Water Analyzer For Pools, Spas Hot Tubs - Tests 27 Parameters - Bluetooth/Wifi - App For Ph, Chlorine, Alkalinity More(Updated In 2025 (Version 2))
theeurobot
$263.59
Solaxx Safedip 6 in 1 Digital Chemistry Reader, MET20A By EZ Pool & Spa Supply
EZ Pool & Spa Supply
30-day returns (most items)
$263.59
Solaxx Safedip 6 in 1 Digital Chemistry Reader, MET20A By EZ Pool & Spa Supply
EZ Pool & Spa Supply
$332.49
$349.99
Digital Water Testing Kit - Accurate Tester For Pools And Hot Tubs By
eBay
$332.49
$349.99
Digital Water Testing Kit - Accurate Tester For Pools And Hot Tubs By
eBay
$12.67
$23.37
Yieryi New TDS PH Meter PH/TDS/EC/Temperature Meter Digital Water Quality Monitor Tester For Pools,
Aliexpress
Free shipping
45% off
$12.67
$23.37
Yieryi New TDS PH Meter PH/TDS/EC/Temperature Meter Digital Water Quality Monitor Tester For Pools,
Aliexpress
$1,337.28
LAMOTTE 3581 Waterlink Mobile Spin Touch Photometer On-Site Pool Spa Water Digital Testing
Voomi Supply
1
$1,337.28
LAMOTTE 3581 Waterlink Mobile Spin Touch Photometer On-Site Pool Spa Water Digital Testing
Voomi Supply
$239.98
Lamotte Colorq 2X PRO 7 Digital Pool Water Test Kit 2086
PoolZoom.com
$239.98
Lamotte Colorq 2X PRO 7 Digital Pool Water Test Kit 2086
PoolZoom.com
$25.55
$39.99
7-In-1 Digital Pool Salt & Ph Tester
rrsstore
36% off
$25.55
$39.99
7-In-1 Digital Pool Salt & Ph Tester
rrsstore
$21.03
New Digital 3 in 1 PH EC TEMP Meter Multi-Parameter Drink Water Quality Tester For Aquarium, Pools
Aliexpress
Free shipping
$21.03
New Digital 3 in 1 PH EC TEMP Meter Multi-Parameter Drink Water Quality Tester For Aquarium, Pools
Aliexpress
$10.42
New 2 in 1 PH Chlorine Meter Chlorine Tester PH Tester Chlorine Water Quality Tester CL2 Measuring
Aliexpress
$10.42
New 2 in 1 PH Chlorine Meter Chlorine Tester PH Tester Chlorine Water Quality Tester CL2 Measuring
Aliexpress
$35.19
$78.20
Digital PH/Chlorine/ORP/EC/TDS/Salinity/Temp/FAC Pool Water Quality Monitor Ph Tester For Swimming
Aliexpress
55% off
$35.19
$78.20
Digital PH/Chlorine/ORP/EC/TDS/Salinity/Temp/FAC Pool Water Quality Monitor Ph Tester For Swimming
Aliexpress
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    Shop Digital Pool Testing Kit

    Sponsored
    About our ads
    $39.99
    $45.99
    Tilswall 2-In-1 Pool Water Quality Tester - Digital, Hand-Held
    Tilswall US
    13% off
    $39.99
    $45.99
    Tilswall 2-In-1 Pool Water Quality Tester - Digital, Hand-Held
    Tilswall US
    $25.97
    $37.99
    Pool Salt Tester, Digital Salt Water Pool Tester & Ph Tester, Salt Tester For Saltwater Pool, Digital Salinity Tester For Water, 5 in 1 Salinity Ph
    Amazon.com
    31% off
    $25.97
    $37.99
    Pool Salt Tester, Digital Salt Water Pool Tester & Ph Tester, Salt Tester For Saltwater Pool, Digital Salinity Tester For Water, 5 in 1 Salinity Ph
    Amazon.com
    $11.76
    2 in 1 Chlorine Meter PH Chlorine Tester PC-101 Level Portable Digital PH Meter Water Quality Pool
    Aliexpress
    $11.76
    2 in 1 Chlorine Meter PH Chlorine Tester PC-101 Level Portable Digital PH Meter Water Quality Pool
    Aliexpress
    $19.99
    Tudoupeng Pool Salt Tester & Ph Meter Digital 5 in 1 Salinity Ph EC Temp TDS Meter For Water Quality, Waterproof Water Tester With Backlight For
    Amazon.com
    $19.99
    Tudoupeng Pool Salt Tester & Ph Meter Digital 5 in 1 Salinity Ph EC Temp TDS Meter For Water Quality, Waterproof Water Tester With Backlight For
    Amazon.com
    $1,212.83
    Lamotte 3581 Mobile Waterlink Spin Touch Lab
    Amazon.com
    Free shipping
    $1,212.83
    Lamotte 3581 Mobile Waterlink Spin Touch Lab
    Amazon.com
    $10.34
    $20.48
    4 in 1 Digital PH Meter PH TDS EC TEMP Tester Backlight Water Quality Tester For Pools Drinking
    Aliexpress
    Free shipping
    49% off
    $10.34
    $20.48
    4 in 1 Digital PH Meter PH TDS EC TEMP Tester Backlight Water Quality Tester For Pools Drinking
    Aliexpress
    $32.99
    Pool Salt Tester - Multifunctional 5 in 1 Salinity, PH, TDS, EC, And Temperature Meter, Pool Salinity Testing Kit, Digital Salinity Tester For
    Amazon.com
    $32.99
    Pool Salt Tester - Multifunctional 5 in 1 Salinity, PH, TDS, EC, And Temperature Meter, Pool Salinity Testing Kit, Digital Salinity Tester For
    Amazon.com
    $449.00
    Crystal Smart Water Monitor For Chlorine & Bromine Pools, Hot Tubs & Swim Spas - 24/7 Continuous Digital Water Testing With App Notifications &
    Amazon.com
    123
    Free shipping
    $449.00
    Crystal Smart Water Monitor For Chlorine & Bromine Pools, Hot Tubs & Swim Spas - 24/7 Continuous Digital Water Testing With App Notifications &
    Amazon.com
    $280.02
    Solaxx Safedip 6 in 1 Digital Chemistry Reader MET20A
    Pool Supply Unlimited
    $280.02
    Solaxx Safedip 6 in 1 Digital Chemistry Reader MET20A
    Pool Supply Unlimited
    $34.90
    $74.80
    4 in 1 Digital Pool Tester - PH Meter, TDS Meter, EC Meter, Temperature Meter, Water Quality Monitor
    US AMERICA
    53% off
    $34.90
    $74.80
    4 in 1 Digital Pool Tester - PH Meter, TDS Meter, EC Meter, Temperature Meter, Water Quality Monitor
    US AMERICA
    $654.06
    Solaxx Safedip Pro Digital Chemistry Reader MET50A
    Pool Supply Unlimited
    $654.06
    Solaxx Safedip Pro Digital Chemistry Reader MET50A
    Pool Supply Unlimited
    $97.56
    $197.49
    Ultimate Digital Pool Water Tester, Easy To Use At Home, Bluetooth, Wi-Fi, App, Cloud, Pool Testing Kit, 27 Water Parameters, Accurate, All In One, Field Tested - Poolwaterlab
    ANFAPROYEC
    50% off
    $97.56
    $197.49
    Ultimate Digital Pool Water Tester, Easy To Use At Home, Bluetooth, Wi-Fi, App, Cloud, Pool Testing Kit, 27 Water Parameters, Accurate, All In One, Field Tested - Poolwaterlab
    ANFAPROYEC
    $97.56
    $197.49
    Digital Pool Water Tester Photometer - Accurate Water Analyzer For Pools, Spas Hot Tubs - Tests 27 Parameters - Bluetooth/Wifi - App For Ph, Chlorine, Alkalinity More(Updated In 2025 (Version 2))
    ANFAPROYEC
    50% off
    $97.56
    $197.49
    Digital Pool Water Tester Photometer - Accurate Water Analyzer For Pools, Spas Hot Tubs - Tests 27 Parameters - Bluetooth/Wifi - App For Ph, Chlorine, Alkalinity More(Updated In 2025 (Version 2))
    ANFAPROYEC
    $13.33
    2 in 1 Chlorine Meter PH Chlorine Tester PC-101 Level Portable Digital PH Meter Water Quality Pool
    Aliexpress
    Free shipping
    $13.33
    2 in 1 Chlorine Meter PH Chlorine Tester PC-101 Level Portable Digital PH Meter Water Quality Pool
    Aliexpress
    $97.56
    $197.49
    Digital Pool Water Tester Photometer - Accurate Water Analyzer For Pools, Spas Hot Tubs - Tests 27 Parameters - Bluetooth/Wifi - App For Ph, Chlorine, Alkalinity More(Updated In 2025 (Version 2))
    evacontinental.com
    50% off
    $97.56
    $197.49
    Digital Pool Water Tester Photometer - Accurate Water Analyzer For Pools, Spas Hot Tubs - Tests 27 Parameters - Bluetooth/Wifi - App For Ph, Chlorine, Alkalinity More(Updated In 2025 (Version 2))
    evacontinental.com
    $97.56
    $197.49
    Ultimate Digital Pool Water Tester, Easy To Use At Home, Bluetooth, Wi-Fi, App, Cloud, Pool Testing Kit, 27 Water Parameters, Accurate, All In One, Field Tested - Poolwaterlab
    evacontinental.com
    50% off
    $97.56
    $197.49
    Ultimate Digital Pool Water Tester, Easy To Use At Home, Bluetooth, Wi-Fi, App, Cloud, Pool Testing Kit, 27 Water Parameters, Accurate, All In One, Field Tested - Poolwaterlab
    evacontinental.com
    $84.37
    $152.57
    Ultimate Digital Pool Water Tester, Easy To Use At Home, Bluetooth, Wi-Fi, App, Cloud, Pool Testing Kit, 27 Water Parameters, Accurate, All In One, Field Tested - Poolwaterlab
    theeurobot
    44% off
    $84.37
    $152.57
    Ultimate Digital Pool Water Tester, Easy To Use At Home, Bluetooth, Wi-Fi, App, Cloud, Pool Testing Kit, 27 Water Parameters, Accurate, All In One, Field Tested - Poolwaterlab
    theeurobot
    $17.67
    $34.64
    4 in 1 PH Meter PH/TDS/EC/Temperature Meter Digital Water Quality Monitor Tester For Pools Drinking
    Aliexpress
    Free shipping
    48% off
    $17.67
    $34.64
    4 in 1 PH Meter PH/TDS/EC/Temperature Meter Digital Water Quality Monitor Tester For Pools Drinking
    Aliexpress