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$205.43
Myron L 575405 L PT1 Myronl ULTRAPEN Conductivity Tester - +/- 1%
Amazon.com
20
Free shipping
$205.43
Myron L 575405 L PT1 Myronl ULTRAPEN Conductivity Tester - +/- 1%
Amazon.com
20
$210.00
Hach Pocket Pro Ph Tester, Ph Meter For Water Analysis Ph & Temp Testing, Large LCD Screen, Replaceable Batteries, Built-In Diagnostics, 9531000
Amazon.com
39
Free shipping
$210.00
Hach Pocket Pro Ph Tester, Ph Meter For Water Analysis Ph & Temp Testing, Large LCD Screen, Replaceable Batteries, Built-In Diagnostics, 9531000
Amazon.com
39
$29.99
Pool Thermometer Digital Floating Easy Read, Anti-Fog 360° Reading With Indoor Temperature Humidity Monitor, IPX7 Water Temperature Monitor For Hot
Amazon.com
103
$29.99
Pool Thermometer Digital Floating Easy Read, Anti-Fog 360° Reading With Indoor Temperature Humidity Monitor, IPX7 Water Temperature Monitor For Hot
Amazon.com
103
$569.00
Solinst Model 101 P2 Water Level Meter, 101 Water Level Meter p2/m2/100ft - 100515
Activated Carbon Depot
$569.00
Solinst Model 101 P2 Water Level Meter, 101 Water Level Meter p2/m2/100ft - 100515
Activated Carbon Depot
$1,212.80
Lamotte Waterlink Spin Touch Lab Meter Only 3580
PoolZoom.com
$1,212.80
Lamotte Waterlink Spin Touch Lab Meter Only 3580
PoolZoom.com
$1,274.99
Lamotte Mobile Waterlink Spin Touch Lab 3581
PoolZoom.com
1
$1,274.99
Lamotte Mobile Waterlink Spin Touch Lab 3581
PoolZoom.com
1
$15.99
Advanced Digital TDS Meter Water Quality Tester With Automatic Calibration, Temperature Button, And Leather Case
Home Depot
168
Free shipping
$15.99
Advanced Digital TDS Meter Water Quality Tester With Automatic Calibration, Temperature Button, And Leather Case
Home Depot
168
$159.95
HM Digital Ph/TDS/EC/Temperature Digital Water Tester Com-300
Cannon Water Technology
$159.95
HM Digital Ph/TDS/EC/Temperature Digital Water Tester Com-300
Cannon Water Technology
$136.67
Aquachek Pocket Pro Ph Tester 9531000E
Pool Supply Unlimited
3
$136.67
Aquachek Pocket Pro Ph Tester 9531000E
Pool Supply Unlimited
3
$52.98
5-In-1 Digital Pool Salt Ph Tester
Tegooe
$52.98
5-In-1 Digital Pool Salt Ph Tester
Tegooe
$39.99
$45.99
Tilswall 2-In-1 Pool Water Tester - Ph And Free Chlorine
Tilswall US
13% off
$39.99
$45.99
Tilswall 2-In-1 Pool Water Tester - Ph And Free Chlorine
Tilswall US
$835.00
Advanced Microplastics Water Test Kit
Tap Score
$835.00
Advanced Microplastics Water Test Kit
Tap Score
$1,187.68
Lamotte Company Lamotte Waterlink Mobile Spin Touch Pool & Spa Water Test 3581
Pool Supply Unlimited
36
$1,187.68
Lamotte Company Lamotte Waterlink Mobile Spin Touch Pool & Spa Water Test 3581
Pool Supply Unlimited
36
$239.00
Extech Waterproof Pocket Chlorine Tester | Cole-Parmer
Cole-Parmer
41
$239.00
Extech Waterproof Pocket Chlorine Tester | Cole-Parmer
Cole-Parmer
41
$12.90
HM Digital TDS-3 Handheld TDS Meter With Thermometer
Fresh Water Systems
11
$12.90
HM Digital TDS-3 Handheld TDS Meter With Thermometer
Fresh Water Systems
11
$433.52
PCE Instruments PCE-CHT 10, Water Analysis Meter Chlorine Tester
Selectum
$433.52
PCE Instruments PCE-CHT 10, Water Analysis Meter Chlorine Tester
Selectum
$99.99
Tds Meter Water Quality Tester 20-Pack 0-9990Ppm Lcd Tds Digital Pen
eBay
Free shipping
$99.99
Tds Meter Water Quality Tester 20-Pack 0-9990Ppm Lcd Tds Digital Pen
eBay
Free shipping
$191.99
Lamotte Salt/TDS/Temperature Tester - 1749
Pool Web
10
$191.99
Lamotte Salt/TDS/Temperature Tester - 1749
Pool Web
10
$42.00
HM Digital PH-80 Ph Hydrotester
Cannon Water Technology
$42.00
HM Digital PH-80 Ph Hydrotester
Cannon Water Technology
$79.00
Iron Water Test Kit [Certified Laboratory]
Tap Score
$79.00
Iron Water Test Kit [Certified Laboratory]
Tap Score
$157.49
Digital Water Testing Kit - Digital Hot Tub Water Tester For Pool - Digital Chlorine Tester For Pool By Aquadoc With Water Analyzer And Test Strips
Walmart
13
Free shipping
$157.49
Digital Water Testing Kit - Digital Hot Tub Water Tester For Pool - Digital Chlorine Tester For Pool By Aquadoc With Water Analyzer And Test Strips
Walmart
13
$1,555.38
Waterlink Spin Touch Lab With In-Store Kit - Lamotte - 3580
Pool Web
$1,555.38
Waterlink Spin Touch Lab With In-Store Kit - Lamotte - 3580
Pool Web
$14.89
2-Button Digital TDS Meter With Backlit LCD
Home Depot
Free shipping
$14.89
2-Button Digital TDS Meter With Backlit LCD
Home Depot
Free shipping
$136.67
Aquachek Pocket Pro High Range TDS Tester 9531300E
Pool Supply Unlimited
$136.67
Aquachek Pocket Pro High Range TDS Tester 9531300E
Pool Supply Unlimited
$11.99
$19.99
Tds Meter Digital Water Tester, Accurate Professional 4-In-1 Tds, Temperature And EC Meter, 0-9990Ppm, Ideal Water Test Meter For Drinking Water, Aqua
Walmart
73
40% off
$11.99
$19.99
Tds Meter Digital Water Tester, Accurate Professional 4-In-1 Tds, Temperature And EC Meter, 0-9990Ppm, Ideal Water Test Meter For Drinking Water, Aqua
Walmart
73
$18.38
Digital TDS Meter Water Quality Tester With Carrying Case
Home Depot
24
Free shipping
$18.38
Digital TDS Meter Water Quality Tester With Carrying Case
Home Depot
24
$7.92
$11.38
Tds Meter, Electronic Water Tester With 0-9990 PPM Measurement Range,Digital Water Test Pen For Farming, Aquariums,Pools
Walmart
28
Free shipping
30% off
$7.92
$11.38
Tds Meter, Electronic Water Tester With 0-9990 PPM Measurement Range,Digital Water Test Pen For Farming, Aquariums,Pools
Walmart
28
$107.82
Milwaukee MW11 Digital Total Chlorine Tester
Blue Tiger Scientific
$107.82
Milwaukee MW11 Digital Total Chlorine Tester
Blue Tiger Scientific
$70.00
Waterproof Ph Meter PH-200
Cannon Water Technology
$70.00
Waterproof Ph Meter PH-200
Cannon Water Technology
$9.99
Aquachek 6-In-1 Test Strips For Spas And Hot Tubs 552244
PoolZoom.com
2K+
$9.99
Aquachek 6-In-1 Test Strips For Spas And Hot Tubs 552244
PoolZoom.com
2K+
$12.00
Taylor Technologies 9056 High Range DPD And PH
Pool Warehouse
307
$12.00
Taylor Technologies 9056 High Range DPD And PH
Pool Warehouse
307
$49.99
$54.99
Tilswall Digital Water Tester 5-In-1 PH Meter & TDS Meter
Tilswall US
$49.99
$54.99
Tilswall Digital Water Tester 5-In-1 PH Meter & TDS Meter
Tilswall US
$18.67
$41.49
Water Quality Tester 5 in 1 Digital Meter Tool
eBay
1
Free shipping
55% off
$18.67
$41.49
Water Quality Tester 5 in 1 Digital Meter Tool
eBay
1
$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
$28.99
Pool Central 5-Piece Swimming Pool Test Kit With Tester Block And Case Blue
Oriental Trading Company
$28.99
Pool Central 5-Piece Swimming Pool Test Kit With Tester Block And Case Blue
Oriental Trading Company
$219.99
Safedip Digital Tester For Pools
Doheny's
$219.99
Safedip Digital Tester For Pools
Doheny's
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
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amazon
How to test your pool water using a pool tester kit
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YouTubeCamlab Ltd
Smart Pool Monitor - Advanced Digital Water Tester for pH, CL, Salinity, Temp, TDS, ORP | App-Controlled for All Pools, Hot Tubs and Saltwater Pools
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How To Test Your Pool Water Using An Aquachek Trutest Test Kit
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Smart Pool Monitor – Real-time Digital Pool Water Tester for pH, CL, Salinity, Temp, and More | Ideal for Pools, Saltwater Pools, and Hot Tubs with App Control
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Smart Pool Monitor – Real-time Digital Pool Water Tester for pH, C…
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amazon
2025 Digital Pool Water Tester & Smart Water Monitor - Chlorine, ORP, Salinity, pH, EC, Temp & TDS Meter - Digital Hot Tub Water Tester for Pools, Aquarium & Spas
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PoolWaterLAB - How to fully utilize - Ultimate Pool Water Tester
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PoolWaterLAB - Ultimate Pool Water Tester - IP 68
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Pool Check i Digital Water Test Strip Analyzer
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ClearPool Expert™ Water Testing App: Pool Time™
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Spin Touch Digital Water Tester
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Shop pool water tester

Sponsored
About our ads
$835.00
Advanced Microplastics Water Test Kit
Tap Score
$835.00
Advanced Microplastics Water Test Kit
Tap Score
$1,187.68
Lamotte Company Lamotte Waterlink Mobile Spin Touch Pool & Spa Water Test 3581
Pool Supply Unlimited
36
$1,187.68
Lamotte Company Lamotte Waterlink Mobile Spin Touch Pool & Spa Water Test 3581
Pool Supply Unlimited
$239.00
Extech Waterproof Pocket Chlorine Tester | Cole-Parmer
Cole-Parmer
41
$239.00
Extech Waterproof Pocket Chlorine Tester | Cole-Parmer
Cole-Parmer
$12.90
HM Digital TDS-3 Handheld TDS Meter With Thermometer
Fresh Water Systems
11
$12.90
HM Digital TDS-3 Handheld TDS Meter With Thermometer
Fresh Water Systems
$433.52
PCE Instruments PCE-CHT 10, Water Analysis Meter Chlorine Tester
Selectum
$433.52
PCE Instruments PCE-CHT 10, Water Analysis Meter Chlorine Tester
Selectum
$99.99
Tds Meter Water Quality Tester 20-Pack 0-9990Ppm Lcd Tds Digital Pen
eBay
Free shipping
$99.99
Tds Meter Water Quality Tester 20-Pack 0-9990Ppm Lcd Tds Digital Pen
eBay
$191.99
Lamotte Salt/TDS/Temperature Tester - 1749
Pool Web
10
$191.99
Lamotte Salt/TDS/Temperature Tester - 1749
Pool Web
$42.00
HM Digital PH-80 Ph Hydrotester
Cannon Water Technology
$42.00
HM Digital PH-80 Ph Hydrotester
Cannon Water Technology
$79.00
Iron Water Test Kit [Certified Laboratory]
Tap Score
$79.00
Iron Water Test Kit [Certified Laboratory]
Tap Score
$157.49
Digital Water Testing Kit - Digital Hot Tub Water Tester For Pool - Digital Chlorine Tester For Pool By Aquadoc With Water Analyzer And Test Strips
Walmart
13
Free shipping
$157.49
Digital Water Testing Kit - Digital Hot Tub Water Tester For Pool - Digital Chlorine Tester For Pool By Aquadoc With Water Analyzer And Test Strips
Walmart
$1,555.38
Waterlink Spin Touch Lab With In-Store Kit - Lamotte - 3580
Pool Web
$1,555.38
Waterlink Spin Touch Lab With In-Store Kit - Lamotte - 3580
Pool Web
$14.89
2-Button Digital TDS Meter With Backlit LCD
Home Depot
Free shipping
$14.89
2-Button Digital TDS Meter With Backlit LCD
Home Depot
$136.67
Aquachek Pocket Pro High Range TDS Tester 9531300E
Pool Supply Unlimited
$136.67
Aquachek Pocket Pro High Range TDS Tester 9531300E
Pool Supply Unlimited
$11.99
$19.99
Tds Meter Digital Water Tester, Accurate Professional 4-In-1 Tds, Temperature And EC Meter, 0-9990Ppm, Ideal Water Test Meter For Drinking Water, Aqua
Walmart
73
40% off
$11.99
$19.99
Tds Meter Digital Water Tester, Accurate Professional 4-In-1 Tds, Temperature And EC Meter, 0-9990Ppm, Ideal Water Test Meter For Drinking Water, Aqua
Walmart
$18.38
Digital TDS Meter Water Quality Tester With Carrying Case
Home Depot
24
Free shipping
$18.38
Digital TDS Meter Water Quality Tester With Carrying Case
Home Depot
$7.92
$11.38
Tds Meter, Electronic Water Tester With 0-9990 PPM Measurement Range,Digital Water Test Pen For Farming, Aquariums,Pools
Walmart
28
Free shipping
30% off
$7.92
$11.38
Tds Meter, Electronic Water Tester With 0-9990 PPM Measurement Range,Digital Water Test Pen For Farming, Aquariums,Pools
Walmart
$107.82
Milwaukee MW11 Digital Total Chlorine Tester
Blue Tiger Scientific
$107.82
Milwaukee MW11 Digital Total Chlorine Tester
Blue Tiger Scientific
$70.00
Waterproof Ph Meter PH-200
Cannon Water Technology
$70.00
Waterproof Ph Meter PH-200
Cannon Water Technology

Shop pool water tester

Sponsored
About our ads
$205.43
Myron L 575405 L PT1 Myronl ULTRAPEN Conductivity Tester - +/- 1%
Amazon.com
20
Free shipping
$205.43
Myron L 575405 L PT1 Myronl ULTRAPEN Conductivity Tester - +/- 1%
Amazon.com
20
$210.00
Hach Pocket Pro Ph Tester, Ph Meter For Water Analysis Ph & Temp Testing, Large LCD Screen, Replaceable Batteries, Built-In Diagnostics, 9531000
Amazon.com
39
Free shipping
$210.00
Hach Pocket Pro Ph Tester, Ph Meter For Water Analysis Ph & Temp Testing, Large LCD Screen, Replaceable Batteries, Built-In Diagnostics, 9531000
Amazon.com
39
$29.99
Pool Thermometer Digital Floating Easy Read, Anti-Fog 360° Reading With Indoor Temperature Humidity Monitor, IPX7 Water Temperature Monitor For Hot
Amazon.com
103
$29.99
Pool Thermometer Digital Floating Easy Read, Anti-Fog 360° Reading With Indoor Temperature Humidity Monitor, IPX7 Water Temperature Monitor For Hot
Amazon.com
103
$569.00
Solinst Model 101 P2 Water Level Meter, 101 Water Level Meter p2/m2/100ft - 100515
Activated Carbon Depot
$569.00
Solinst Model 101 P2 Water Level Meter, 101 Water Level Meter p2/m2/100ft - 100515
Activated Carbon Depot
$1,212.80
Lamotte Waterlink Spin Touch Lab Meter Only 3580
PoolZoom.com
$1,212.80
Lamotte Waterlink Spin Touch Lab Meter Only 3580
PoolZoom.com
$1,274.99
Lamotte Mobile Waterlink Spin Touch Lab 3581
PoolZoom.com
1
$1,274.99
Lamotte Mobile Waterlink Spin Touch Lab 3581
PoolZoom.com
1
$15.99
Advanced Digital TDS Meter Water Quality Tester With Automatic Calibration, Temperature Button, And Leather Case
Home Depot
168
Free shipping
$15.99
Advanced Digital TDS Meter Water Quality Tester With Automatic Calibration, Temperature Button, And Leather Case
Home Depot
168
$159.95
HM Digital Ph/TDS/EC/Temperature Digital Water Tester Com-300
Cannon Water Technology
$159.95
HM Digital Ph/TDS/EC/Temperature Digital Water Tester Com-300
Cannon Water Technology
$136.67
Aquachek Pocket Pro Ph Tester 9531000E
Pool Supply Unlimited
3
$136.67
Aquachek Pocket Pro Ph Tester 9531000E
Pool Supply Unlimited
3
$52.98
5-In-1 Digital Pool Salt Ph Tester
Tegooe
$52.98
5-In-1 Digital Pool Salt Ph Tester
Tegooe
$39.99
$45.99
Tilswall 2-In-1 Pool Water Tester - Ph And Free Chlorine
Tilswall US
13% off
$39.99
$45.99
Tilswall 2-In-1 Pool Water Tester - Ph And Free Chlorine
Tilswall US
$835.00
Advanced Microplastics Water Test Kit
Tap Score
$835.00
Advanced Microplastics Water Test Kit
Tap Score
$1,187.68
Lamotte Company Lamotte Waterlink Mobile Spin Touch Pool & Spa Water Test 3581
Pool Supply Unlimited
36
$1,187.68
Lamotte Company Lamotte Waterlink Mobile Spin Touch Pool & Spa Water Test 3581
Pool Supply Unlimited
36
$239.00
Extech Waterproof Pocket Chlorine Tester | Cole-Parmer
Cole-Parmer
41
$239.00
Extech Waterproof Pocket Chlorine Tester | Cole-Parmer
Cole-Parmer
41
$12.90
HM Digital TDS-3 Handheld TDS Meter With Thermometer
Fresh Water Systems
11
$12.90
HM Digital TDS-3 Handheld TDS Meter With Thermometer
Fresh Water Systems
11
$433.52
PCE Instruments PCE-CHT 10, Water Analysis Meter Chlorine Tester
Selectum
$433.52
PCE Instruments PCE-CHT 10, Water Analysis Meter Chlorine Tester
Selectum
$99.99
Tds Meter Water Quality Tester 20-Pack 0-9990Ppm Lcd Tds Digital Pen
eBay
Free shipping
$99.99
Tds Meter Water Quality Tester 20-Pack 0-9990Ppm Lcd Tds Digital Pen
eBay
Free shipping
$191.99
Lamotte Salt/TDS/Temperature Tester - 1749
Pool Web
10
$191.99
Lamotte Salt/TDS/Temperature Tester - 1749
Pool Web
10