Shop Aquatic Water Testing

Sponsored
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$711.00
Hach DR300 Pocket Colorimeter, Chlorine, Free + Total, LR/HR, Waterproof, Portable, For Reliable Water Quality Testing, Easy-To-Use Interface, Large
Amazon.com
30
Free shipping
$711.00
Hach DR300 Pocket Colorimeter, Chlorine, Free + Total, LR/HR, Waterproof, Portable, For Reliable Water Quality Testing, Easy-To-Use Interface, Large
Amazon.com
30
$31.93
$45.00
Hach Free & Total Chlorine Test Strips, 0-10 Mg/L, Chlorine Testing, Water Quality Test Strips, Accurate Chlorine Measurement, Easy-To-Use Chlorine
Amazon.com
258
Free shipping
29% off
$31.93
$45.00
Hach Free & Total Chlorine Test Strips, 0-10 Mg/L, Chlorine Testing, Water Quality Test Strips, Accurate Chlorine Measurement, Easy-To-Use Chlorine
Amazon.com
258
$21.99
$29.59
11 in 1 - Aquarium Test Strips | 950 Tests - 150 Strips | Fish Tank Aquariums Water Test Kit & Ebook | Aquarium Thermometer | Fish Tank Water Testing
Amazon.com
4K+
25% off
$21.99
$29.59
11 in 1 - Aquarium Test Strips | 950 Tests - 150 Strips | Fish Tank Aquariums Water Test Kit & Ebook | Aquarium Thermometer | Fish Tank Water Testing
Amazon.com
4K+
$169.00
$199.00
Water Test Kit + Tannins
SpringWell Water Filtration Systems
15% off
$169.00
$199.00
Water Test Kit + Tannins
SpringWell Water Filtration Systems
$36.74
$48.99
Fritz Aquarium Water Master Test Kit
Chewy.com
25% off
$36.74
$48.99
Fritz Aquarium Water Master Test Kit
Chewy.com
$11.99
$15.99
Fritz Aquarium Water Nitrite Test Kit
Chewy.com
25% off
$11.99
$15.99
Fritz Aquarium Water Nitrite Test Kit
Chewy.com
$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
$17.40
Hth 6-Way Test Kit Strips, 100 Count Pool And Pond Water Testing Kit For Ph, Chlorine, Alkalinity, And More
Walmart
$17.40
Hth 6-Way Test Kit Strips, 100 Count Pool And Pond Water Testing Kit For Ph, Chlorine, Alkalinity, And More
Walmart
$9.49
$13.48
API Pond Wide Range Ph Test Kit 160-Test Pond Water Test Kit, 1 Count
Chewy.com
18
29% off
$9.49
$13.48
API Pond Wide Range Ph Test Kit 160-Test Pond Water Test Kit, 1 Count
Chewy.com
18
$146.90
Taylor Service Complete Pool Water Test Kit FAS-DPD K-2006C
PoolZoom.com
25
$146.90
Taylor Service Complete Pool Water Test Kit FAS-DPD K-2006C
PoolZoom.com
25
$59.99
$84.99
K-2005 Taylor Technologies Pool & Spa Water Complete Test Kit
Best Pool Shop
30-day returns (most items)
29% off
$59.99
$84.99
K-2005 Taylor Technologies Pool & Spa Water Complete Test Kit
Best Pool Shop
30-day returns
$39.95
HM Digital COM-80 EC/TDS Hydrotester
Cannon Water Technology
$39.95
HM Digital COM-80 EC/TDS Hydrotester
Cannon Water Technology
$32.51
Pentair Aquatic Systems - 78Dpd+ Test Kit - R151248
Pool Spa Supplies
30-day returns (most items)
$32.51
Pentair Aquatic Systems - 78Dpd+ Test Kit - R151248
Pool Spa Supplies
30-day returns
$34.98
Pond Master Liquid Pond Water Test Kit - 500 Tests - 164m
123 Ponds
30-day returns (most items)
$34.98
Pond Master Liquid Pond Water Test Kit - 500 Tests - 164m
123 Ponds
30-day returns
$13.39
Poolmaster Replacement Indicator Solutions 1 - 5 For Spa/Swimming Pool Water Testing
Target
Free shipping
$13.39
Poolmaster Replacement Indicator Solutions 1 - 5 For Spa/Swimming Pool Water Testing
Target
Free shipping
$19.90
Aquachek Salt System Test Kit - For Salt Water Pools, Test Strips For Sodium Chloride - Test Kit Includes Yellow 4-Way (25 Strips Each) And White Salt Test Strips (10 Strips Each) 542228A
PoolZoom.com
$19.90
Aquachek Salt System Test Kit - For Salt Water Pools, Test Strips For Sodium Chloride - Test Kit Includes Yellow 4-Way (25 Strips Each) And White Salt Test Strips (10 Strips Each) 542228A
PoolZoom.com
$11.01
Water Testing, Test Strips, Aquacheck, Test Strips, Chlorine, Bromine, Ph, Alk,Hardness/Total Chlorine 50 Per Bottle: 552244
PartsForSpas
30-day returns (most items)
$11.01
Water Testing, Test Strips, Aquacheck, Test Strips, Chlorine, Bromine, Ph, Alk,Hardness/Total Chlorine 50 Per Bottle: 552244
PartsForSpas
30-day returns
$10.99
Aquachek Salt Test Strip Titrators For Pools - Salt Water Pool Test Strips For Sodium Chloride - Quick And Accurate Results - Professional Water Quality Testing Kit, 10 Strip Bottle 561140A
PoolZoom.com
$10.99
Aquachek Salt Test Strip Titrators For Pools - Salt Water Pool Test Strips For Sodium Chloride - Quick And Accurate Results - Professional Water Quality Testing Kit, 10 Strip Bottle 561140A
PoolZoom.com
$138.95
$169.95
Pool Exact 486202 EZ Photometer Spa Water Tester
FiltersFast.com
18% off
$138.95
$169.95
Pool Exact 486202 EZ Photometer Spa Water Tester
FiltersFast.com
$7.99
$9.99
High Accuracy TDS Meter Digital Water Tester 0-9990Ppm TDS EC LCD Water Purity PPM Aquarium Filter
Banggood
20% off
$7.99
$9.99
High Accuracy TDS Meter Digital Water Tester 0-9990Ppm TDS EC LCD Water Purity PPM Aquarium Filter
Banggood
$190.00
Pool Exact 486201 EZ Photometer Water Tester
FiltersFast.com
$190.00
Pool Exact 486201 EZ Photometer Water Tester
FiltersFast.com
$40.49
Taylor Salt Water Drop Test Kit - K-1766
Inyo Pool Products
$40.49
Taylor Salt Water Drop Test Kit - K-1766
Inyo Pool Products
$12.17
Water Testing, Test Strips, Aquacheck, Test Strips, Free Chlorine, Ph & Alk, 50Ct, Use W/2510400 : 512082
PartsForSpas
30-day returns (most items)
$12.17
Water Testing, Test Strips, Aquacheck, Test Strips, Free Chlorine, Ph & Alk, 50Ct, Use W/2510400 : 512082
PartsForSpas
30-day returns
$1,172.41
Lamotte Company Lamotte Waterlink Mobile Spin Lab Pool & Spa Water Test 3577
Pool Supply Unlimited
$1,172.41
Lamotte Company Lamotte Waterlink Mobile Spin Lab Pool & Spa Water Test 3577
Pool Supply Unlimited
$12.17
Water Testing, Test Strips, Aquacheck, Tru-Test, Bromine, Ph & Total Alk, 50Ct : 522255 | Pool Parts
PartsForSpas
30-day returns (most items)
$12.17
Water Testing, Test Strips, Aquacheck, Tru-Test, Bromine, Ph & Total Alk, 50Ct : 522255 | Pool Parts
PartsForSpas
30-day returns
$38.99
Water Quality Test Kit 7-In-1: Ideal For Drinking Water, Aquarium And Pool Monitoring
Digitalzakka
30-day returns (most items)
$38.99
Water Quality Test Kit 7-In-1: Ideal For Drinking Water, Aquarium And Pool Monitoring
Digitalzakka
30-day returns
$1,187.68
Lamotte Company Lamotte Waterlink Mobile Spin Touch Pool & Spa Water Test 3581
Pool Supply Unlimited
$1,187.68
Lamotte Company Lamotte Waterlink Mobile Spin Touch Pool & Spa Water Test 3581
Pool Supply Unlimited
$38.10
ITS Water Quality Test Strips, Free Chlorine, 0 To 5.0 Ppm, 50/Bottle | Cole-Parmer
Cole-Parmer
$38.10
ITS Water Quality Test Strips, Free Chlorine, 0 To 5.0 Ppm, 50/Bottle | Cole-Parmer
Cole-Parmer
$757.77
Sensafe (486900-W) Exact Leadquick Photometer Lead & Mercury Water Tests (50)
Isopure Water
$757.77
Sensafe (486900-W) Exact Leadquick Photometer Lead & Mercury Water Tests (50)
Isopure Water
$28.78
Digital PH TEMP Tester Meter Pen For Aquarium Pool Wine Water Laboratory Food
motorgenic.com
Free shipping
60-day returns (most items)
$28.78
Digital PH TEMP Tester Meter Pen For Aquarium Pool Wine Water Laboratory Food
motorgenic.com
60-day returns
$25.99
ATC Digital PH Monitor - Aquarium Water Quality Testing Kit
Digitalzakka
30-day returns (most items)
$25.99
ATC Digital PH Monitor - Aquarium Water Quality Testing Kit
Digitalzakka
30-day returns
$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))
technicskeptic.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))
technicskeptic.com
$17.99
Portable 6-In-1 Water Quality Tester - Monitors Ph, EC, TDS, Salt, G.S & Temperature For Drinking Water And Aquariums
Digitalzakka
30-day returns (most items)
$17.99
Portable 6-In-1 Water Quality Tester - Monitors Ph, EC, TDS, Salt, G.S & Temperature For Drinking Water And Aquariums
Digitalzakka
30-day returns
$301.01
Lamotte Colorq 2X Pro 7 Liquid Pool Test Kit - 2086
Pool Web
30-day returns (most items)
$301.01
Lamotte Colorq 2X Pro 7 Liquid Pool Test Kit - 2086
Pool Web
30-day returns
$69.99
Smart Pool Water Tester Ph Chlorine Monitor 7 in 1 Ph Chlorine Salt ORP TDS EC
eBay
Free shipping
$69.99
Smart Pool Water Tester Ph Chlorine Monitor 7 in 1 Ph Chlorine Salt ORP TDS EC
eBay
Free shipping
$9.49
Aquachek/Hach - Test Kit, Aquacheck, Phosphate, 20 Ct - 562227
Pool Spa Supplies
30-day returns (most items)
$9.49
Aquachek/Hach - Test Kit, Aquacheck, Phosphate, 20 Ct - 562227
Pool Spa Supplies
30-day returns
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    Shop Aquatic Water Testing

    Sponsored
    About our ads
    $711.00
    Hach DR300 Pocket Colorimeter, Chlorine, Free + Total, LR/HR, Waterproof, Portable, For Reliable Water Quality Testing, Easy-To-Use Interface, Large
    Amazon.com
    30
    Free shipping
    $711.00
    Hach DR300 Pocket Colorimeter, Chlorine, Free + Total, LR/HR, Waterproof, Portable, For Reliable Water Quality Testing, Easy-To-Use Interface, Large
    Amazon.com
    30
    $31.93
    $45.00
    Hach Free & Total Chlorine Test Strips, 0-10 Mg/L, Chlorine Testing, Water Quality Test Strips, Accurate Chlorine Measurement, Easy-To-Use Chlorine
    Amazon.com
    258
    Free shipping
    29% off
    $31.93
    $45.00
    Hach Free & Total Chlorine Test Strips, 0-10 Mg/L, Chlorine Testing, Water Quality Test Strips, Accurate Chlorine Measurement, Easy-To-Use Chlorine
    Amazon.com
    258
    $21.99
    $29.59
    11 in 1 - Aquarium Test Strips | 950 Tests - 150 Strips | Fish Tank Aquariums Water Test Kit & Ebook | Aquarium Thermometer | Fish Tank Water Testing
    Amazon.com
    4K+
    25% off
    $21.99
    $29.59
    11 in 1 - Aquarium Test Strips | 950 Tests - 150 Strips | Fish Tank Aquariums Water Test Kit & Ebook | Aquarium Thermometer | Fish Tank Water Testing
    Amazon.com
    4K+
    $169.00
    $199.00
    Water Test Kit + Tannins
    SpringWell Water Filtration Systems
    15% off
    $169.00
    $199.00
    Water Test Kit + Tannins
    SpringWell Water Filtration Systems
    $36.74
    $48.99
    Fritz Aquarium Water Master Test Kit
    Chewy.com
    25% off
    $36.74
    $48.99
    Fritz Aquarium Water Master Test Kit
    Chewy.com
    $11.99
    $15.99
    Fritz Aquarium Water Nitrite Test Kit
    Chewy.com
    25% off
    $11.99
    $15.99
    Fritz Aquarium Water Nitrite Test Kit
    Chewy.com
    $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
    $17.40
    Hth 6-Way Test Kit Strips, 100 Count Pool And Pond Water Testing Kit For Ph, Chlorine, Alkalinity, And More
    Walmart
    $17.40
    Hth 6-Way Test Kit Strips, 100 Count Pool And Pond Water Testing Kit For Ph, Chlorine, Alkalinity, And More
    Walmart
    $9.49
    $13.48
    API Pond Wide Range Ph Test Kit 160-Test Pond Water Test Kit, 1 Count
    Chewy.com
    18
    29% off
    $9.49
    $13.48
    API Pond Wide Range Ph Test Kit 160-Test Pond Water Test Kit, 1 Count
    Chewy.com
    18
    $146.90
    Taylor Service Complete Pool Water Test Kit FAS-DPD K-2006C
    PoolZoom.com
    25
    $146.90
    Taylor Service Complete Pool Water Test Kit FAS-DPD K-2006C
    PoolZoom.com
    25
    $59.99
    $84.99
    K-2005 Taylor Technologies Pool & Spa Water Complete Test Kit
    Best Pool Shop
    30-day returns (most items)
    29% off
    $59.99
    $84.99
    K-2005 Taylor Technologies Pool & Spa Water Complete Test Kit
    Best Pool Shop
    30-day returns
    $39.95
    HM Digital COM-80 EC/TDS Hydrotester
    Cannon Water Technology
    $39.95
    HM Digital COM-80 EC/TDS Hydrotester
    Cannon Water Technology
    $32.51
    Pentair Aquatic Systems - 78Dpd+ Test Kit - R151248
    Pool Spa Supplies
    30-day returns (most items)
    $32.51
    Pentair Aquatic Systems - 78Dpd+ Test Kit - R151248
    Pool Spa Supplies
    30-day returns
    $34.98
    Pond Master Liquid Pond Water Test Kit - 500 Tests - 164m
    123 Ponds
    30-day returns (most items)
    $34.98
    Pond Master Liquid Pond Water Test Kit - 500 Tests - 164m
    123 Ponds
    30-day returns
    $13.39
    Poolmaster Replacement Indicator Solutions 1 - 5 For Spa/Swimming Pool Water Testing
    Target
    Free shipping
    $13.39
    Poolmaster Replacement Indicator Solutions 1 - 5 For Spa/Swimming Pool Water Testing
    Target
    Free shipping
    $19.90
    Aquachek Salt System Test Kit - For Salt Water Pools, Test Strips For Sodium Chloride - Test Kit Includes Yellow 4-Way (25 Strips Each) And White Salt Test Strips (10 Strips Each) 542228A
    PoolZoom.com
    $19.90
    Aquachek Salt System Test Kit - For Salt Water Pools, Test Strips For Sodium Chloride - Test Kit Includes Yellow 4-Way (25 Strips Each) And White Salt Test Strips (10 Strips Each) 542228A
    PoolZoom.com
    $11.01
    Water Testing, Test Strips, Aquacheck, Test Strips, Chlorine, Bromine, Ph, Alk,Hardness/Total Chlorine 50 Per Bottle: 552244
    PartsForSpas
    30-day returns (most items)
    $11.01
    Water Testing, Test Strips, Aquacheck, Test Strips, Chlorine, Bromine, Ph, Alk,Hardness/Total Chlorine 50 Per Bottle: 552244
    PartsForSpas
    30-day returns
    $10.99
    Aquachek Salt Test Strip Titrators For Pools - Salt Water Pool Test Strips For Sodium Chloride - Quick And Accurate Results - Professional Water Quality Testing Kit, 10 Strip Bottle 561140A
    PoolZoom.com
    $10.99
    Aquachek Salt Test Strip Titrators For Pools - Salt Water Pool Test Strips For Sodium Chloride - Quick And Accurate Results - Professional Water Quality Testing Kit, 10 Strip Bottle 561140A
    PoolZoom.com