Shop Freshwater Testing Kit

Sponsored
About our ads
$31.76
$34.94
API FRESHWATER MASTER TEST KIT 800-Test Freshwater Aquarium Water Master Test Kit, White, Single, Multi-Colored
Amazon.com
28K+
$31.76
$34.94
API FRESHWATER MASTER TEST KIT 800-Test Freshwater Aquarium Water Master Test Kit, White, Single, Multi-Colored
Amazon.com
28K+
$31.76
$50.48
API Freshwater Aquarium Master Test Kit, 800 Count
Chewy.com
306
37% off
$31.76
$50.48
API Freshwater Aquarium Master Test Kit, 800 Count
Chewy.com
306
$12.98
Aquarium Test Strips For Freshwater Fish: 7 in 1 Fish Tank Water Testing Kit For Aquarium Pond - Accurate Testing Nitrate Nitrite Hardness Free
Amazon.com
2K+
$12.98
Aquarium Test Strips For Freshwater Fish: 7 in 1 Fish Tank Water Testing Kit For Aquarium Pond - Accurate Testing Nitrate Nitrite Hardness Free
Amazon.com
2K+
$11.82
$16.78
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit
Chewy.com
72
29% off
$11.82
$16.78
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit
Chewy.com
72
$12.48
$17.48
API Copper Cu+ Freshwater & Saltwater Aquarium Test Kit, 90 Count
Chewy.com
4
28% off
$12.48
$17.48
API Copper Cu+ Freshwater & Saltwater Aquarium Test Kit, 90 Count
Chewy.com
4
$15.48
$21.78
API Ammonia Freshwater & Saltwater Aquarium Test Kit, 130 Count
Chewy.com
47
28% off
$15.48
$21.78
API Ammonia Freshwater & Saltwater Aquarium Test Kit, 130 Count
Chewy.com
47
$24.99
All-New 20 in 1 Drinking Water Testing Kit 120 Strips, Home Tap And Well Water Test Kit For Hardness, Lead, Iron, Copper, Chlorine, Fluoride
Amazon.com
931
$24.99
All-New 20 in 1 Drinking Water Testing Kit 120 Strips, Home Tap And Well Water Test Kit For Hardness, Lead, Iron, Copper, Chlorine, Fluoride
Amazon.com
931
$24.98
API 5-IN-1 TEST STRIPS Freshwater And Saltwater Aquarium Test Strips 100-Count Box
Amazon.com
2K+
$24.98
API 5-IN-1 TEST STRIPS Freshwater And Saltwater Aquarium Test Strips 100-Count Box
Amazon.com
2K+
$29.99
Safe Home® DIY Arsenic In Water Test Kit - At Home Testing For Arsenic In Any Freshwater Supply - Detection 0-500 PPB - Fast Results - (1 Pack)
Amazon.com
65
$29.99
Safe Home® DIY Arsenic In Water Test Kit - At Home Testing For Arsenic In Any Freshwater Supply - Detection 0-500 PPB - Fast Results - (1 Pack)
Amazon.com
65
$11.00
$19.78
API Nitrate NO3 Freshwater & Saltwater Aquarium Test Kit, 90 Count
Chewy.com
43
44% off
$11.00
$19.78
API Nitrate NO3 Freshwater & Saltwater Aquarium Test Kit, 90 Count
Chewy.com
43
$15.48
API AMMONIA 130-Test Freshwater And Saltwater Aquarium Water Test Kit
Amazon.com
4K+
$15.48
API AMMONIA 130-Test Freshwater And Saltwater Aquarium Water Test Kit
Amazon.com
4K+
$70.10
Freshwater Master Test Kit
Carolina Biological Supply
$70.10
Freshwater Master Test Kit
Carolina Biological Supply
$9.99
10-In-1 Aquarium Test Kit (50 Strips) 25 Multi-Test + 25 Ammonia | Ammonia Test Kit Aquarium For Freshwater & Saltwater | Saltwater Test Strips For
Amazon.com
76
$9.99
10-In-1 Aquarium Test Kit (50 Strips) 25 Multi-Test + 25 Ammonia | Ammonia Test Kit Aquarium For Freshwater & Saltwater | Saltwater Test Strips For
Amazon.com
76
$34.99
Watersafe The Original Water Testing Kit For Drinking Water, Well And Tap Water, Sensitive Lead In Water Test, Bacteria, Hardness, Ph, Nitrates, Easy
Amazon.com
3K+
$34.99
Watersafe The Original Water Testing Kit For Drinking Water, Well And Tap Water, Sensitive Lead In Water Test, Bacteria, Hardness, Ph, Nitrates, Easy
Amazon.com
3K+
$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
$7.98
$11.28
API Ph Freshwater Aquarium Test Kit, 250 Count
Chewy.com
78
29% off
$7.98
$11.28
API Ph Freshwater Aquarium Test Kit, 250 Count
Chewy.com
78
$373.90
Lamotte Freshwater Aquaculture Test Kit
Carolina Biological Supply
$373.90
Lamotte Freshwater Aquaculture Test Kit
Carolina Biological Supply
$6.99
$9.98
API 5 in 1 Freshwater & Saltwater Aquarium Test Strips, 4 Count
Chewy.com
125
29% off
$6.99
$9.98
API 5 in 1 Freshwater & Saltwater Aquarium Test Strips, 4 Count
Chewy.com
125
$14.98
$20.98
API Phosphate PO4 Freshwater & Saltwater Aquarium Test Kit, 150 Count
Chewy.com
19
28% off
$14.98
$20.98
API Phosphate PO4 Freshwater & Saltwater Aquarium Test Kit, 150 Count
Chewy.com
19
$72.20
Lamotte Freshwater Ph Water Test Kit
Carolina Biological Supply
$72.20
Lamotte Freshwater Ph Water Test Kit
Carolina Biological Supply
$35.98
$54.99
API Freshwater Master Test Kit
Petco.com
28K+
34% off
$35.98
$54.99
API Freshwater Master Test Kit
Petco.com
28K+
$54.99
Safe Home® DIY Arsenic In Water Test Kit - At Home Testing For Arsenic In Any Freshwater Supply - Detection 0-500 PPB - Fast Results - (2 Pack)
Amazon.com
65
Free shipping
$54.99
Safe Home® DIY Arsenic In Water Test Kit - At Home Testing For Arsenic In Any Freshwater Supply - Detection 0-500 PPB - Fast Results - (2 Pack)
Amazon.com
65
$12.98
API 5-In-1 Test Strips Freshwater And Saltwater Aquarium Test Strips 25-Count Box
Amazon.com
10K+
$12.98
API 5-In-1 Test Strips Freshwater And Saltwater Aquarium Test Strips 25-Count Box
Amazon.com
10K+
$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+
$8.98
$18.28
API Ph Freshwater Aquarium Test & Adjuster Kit, 250 Count
Chewy.com
33
50% off
$8.98
$18.28
API Ph Freshwater Aquarium Test & Adjuster Kit, 250 Count
Chewy.com
33
$13.99
Fluval Fresh Ph Low Range Fish Water Test Kit
Chewy.com
$13.99
Fluval Fresh Ph Low Range Fish Water Test Kit
Chewy.com
$12.98
$18.28
API 5 in 1 Freshwater & Saltwater Aquarium Test Strips, 25 Count
Chewy.com
125
28% off
$12.98
$18.28
API 5 in 1 Freshwater & Saltwater Aquarium Test Strips, 25 Count
Chewy.com
125
$17.99
17 in 1 Water Testing Kits For Drinking Water, 100 Strips + 4 Bacteria Tests, Tap And Well Water Test Kit Easy To Test And Read For Hardness, Lead,
Amazon.com
71
$17.99
17 in 1 Water Testing Kits For Drinking Water, 100 Strips + 4 Bacteria Tests, Tap And Well Water Test Kit Easy To Test And Read For Hardness, Lead,
Amazon.com
71
See more
See less
    Some results have been hidden because they may be inaccessible to you.Show inaccessible results
    See more images

    Shop Freshwater Testing Kit

    Sponsored
    About our ads
    $31.76
    $34.94
    API FRESHWATER MASTER TEST KIT 800-Test Freshwater Aquarium Water Master Test Kit, White, Single, Multi-Colored
    Amazon.com
    28K+
    $31.76
    $34.94
    API FRESHWATER MASTER TEST KIT 800-Test Freshwater Aquarium Water Master Test Kit, White, Single, Multi-Colored
    Amazon.com
    28K+
    $31.76
    $50.48
    API Freshwater Aquarium Master Test Kit, 800 Count
    Chewy.com
    306
    37% off
    $31.76
    $50.48
    API Freshwater Aquarium Master Test Kit, 800 Count
    Chewy.com
    306
    $12.98
    Aquarium Test Strips For Freshwater Fish: 7 in 1 Fish Tank Water Testing Kit For Aquarium Pond - Accurate Testing Nitrate Nitrite Hardness Free
    Amazon.com
    2K+
    $12.98
    Aquarium Test Strips For Freshwater Fish: 7 in 1 Fish Tank Water Testing Kit For Aquarium Pond - Accurate Testing Nitrate Nitrite Hardness Free
    Amazon.com
    2K+
    $11.82
    $16.78
    API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit
    Chewy.com
    72
    29% off
    $11.82
    $16.78
    API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit
    Chewy.com
    72
    $12.48
    $17.48
    API Copper Cu+ Freshwater & Saltwater Aquarium Test Kit, 90 Count
    Chewy.com
    4
    28% off
    $12.48
    $17.48
    API Copper Cu+ Freshwater & Saltwater Aquarium Test Kit, 90 Count
    Chewy.com
    4
    $15.48
    $21.78
    API Ammonia Freshwater & Saltwater Aquarium Test Kit, 130 Count
    Chewy.com
    47
    28% off
    $15.48
    $21.78
    API Ammonia Freshwater & Saltwater Aquarium Test Kit, 130 Count
    Chewy.com
    47
    $24.99
    All-New 20 in 1 Drinking Water Testing Kit 120 Strips, Home Tap And Well Water Test Kit For Hardness, Lead, Iron, Copper, Chlorine, Fluoride
    Amazon.com
    931
    $24.99
    All-New 20 in 1 Drinking Water Testing Kit 120 Strips, Home Tap And Well Water Test Kit For Hardness, Lead, Iron, Copper, Chlorine, Fluoride
    Amazon.com
    931
    $24.98
    API 5-IN-1 TEST STRIPS Freshwater And Saltwater Aquarium Test Strips 100-Count Box
    Amazon.com
    2K+
    $24.98
    API 5-IN-1 TEST STRIPS Freshwater And Saltwater Aquarium Test Strips 100-Count Box
    Amazon.com
    2K+
    $29.99
    Safe Home® DIY Arsenic In Water Test Kit - At Home Testing For Arsenic In Any Freshwater Supply - Detection 0-500 PPB - Fast Results - (1 Pack)
    Amazon.com
    65
    $29.99
    Safe Home® DIY Arsenic In Water Test Kit - At Home Testing For Arsenic In Any Freshwater Supply - Detection 0-500 PPB - Fast Results - (1 Pack)
    Amazon.com
    65
    $11.00
    $19.78
    API Nitrate NO3 Freshwater & Saltwater Aquarium Test Kit, 90 Count
    Chewy.com
    43
    44% off
    $11.00
    $19.78
    API Nitrate NO3 Freshwater & Saltwater Aquarium Test Kit, 90 Count
    Chewy.com
    43
    $15.48
    API AMMONIA 130-Test Freshwater And Saltwater Aquarium Water Test Kit
    Amazon.com
    4K+
    $15.48
    API AMMONIA 130-Test Freshwater And Saltwater Aquarium Water Test Kit
    Amazon.com
    4K+
    $70.10
    Freshwater Master Test Kit
    Carolina Biological Supply
    $70.10
    Freshwater Master Test Kit
    Carolina Biological Supply
    $9.99
    10-In-1 Aquarium Test Kit (50 Strips) 25 Multi-Test + 25 Ammonia | Ammonia Test Kit Aquarium For Freshwater & Saltwater | Saltwater Test Strips For
    Amazon.com
    76
    $9.99
    10-In-1 Aquarium Test Kit (50 Strips) 25 Multi-Test + 25 Ammonia | Ammonia Test Kit Aquarium For Freshwater & Saltwater | Saltwater Test Strips For
    Amazon.com
    76
    $34.99
    Watersafe The Original Water Testing Kit For Drinking Water, Well And Tap Water, Sensitive Lead In Water Test, Bacteria, Hardness, Ph, Nitrates, Easy
    Amazon.com
    3K+
    $34.99
    Watersafe The Original Water Testing Kit For Drinking Water, Well And Tap Water, Sensitive Lead In Water Test, Bacteria, Hardness, Ph, Nitrates, Easy
    Amazon.com
    3K+
    $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
    $7.98
    $11.28
    API Ph Freshwater Aquarium Test Kit, 250 Count
    Chewy.com
    78
    29% off
    $7.98
    $11.28
    API Ph Freshwater Aquarium Test Kit, 250 Count
    Chewy.com
    78
    $373.90
    Lamotte Freshwater Aquaculture Test Kit
    Carolina Biological Supply
    $373.90
    Lamotte Freshwater Aquaculture Test Kit
    Carolina Biological Supply
    $6.99
    $9.98
    API 5 in 1 Freshwater & Saltwater Aquarium Test Strips, 4 Count
    Chewy.com
    125
    29% off
    $6.99
    $9.98
    API 5 in 1 Freshwater & Saltwater Aquarium Test Strips, 4 Count
    Chewy.com
    125