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$69.00
Chlorine Test Kit - ULINE - Case Of 10
Uline
$69.00
Chlorine Test Kit - ULINE - Case Of 10
Uline
$221.95
$239.00
Extech CL200 Exstik Waterproof Chlorine Meter
Amazon.com
41
Free shipping
$221.95
$239.00
Extech CL200 Exstik Waterproof Chlorine Meter
Amazon.com
$15.00
TDS Meter - Third Wave Water
Third Wave Water
$15.00
TDS Meter - Third Wave Water
Third Wave Water
$36.74
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Fritz Aquarium Water Master Test Kit
Chewy.com
25% off
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Fritz Aquarium Water Master Test Kit
Chewy.com
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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
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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
$34.25
Hach Hardness Drop Test Kit , High Range (Range 1 To 30 Gpg) | Cole-Parmer
Cole-Parmer
1K+
$34.25
Hach Hardness Drop Test Kit , High Range (Range 1 To 30 Gpg) | Cole-Parmer
Cole-Parmer
$13.49
$17.99
Fritz Aquarium Water Nitrate Test Kit
Chewy.com
25% off
$13.49
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Fritz Aquarium Water Nitrate Test Kit
Chewy.com
$15.49
Industrial Test Systems Waterworks 480124 Free Chlorine Test Strip, Ultra High II Range, 61 Seconds Test Time, 0-2000Ppm Range (Bottle Of 50)
Amazon.com
233
$15.49
Industrial Test Systems Waterworks 480124 Free Chlorine Test Strip, Ultra High II Range, 61 Seconds Test Time, 0-2000Ppm Range (Bottle Of 50)
Amazon.com
$46.49
Pentair 4-In-1 OTO Test Kit - Chlorine, Ph, Acid Demand, & Total Alkalinity R151186
PoolZoom.com
222
$46.49
Pentair 4-In-1 OTO Test Kit - Chlorine, Ph, Acid Demand, & Total Alkalinity R151186
PoolZoom.com
$31.76
$50.48
API Freshwater Aquarium Master Test Kit, 800 Count
Chewy.com
315
37% off
$31.76
$50.48
API Freshwater Aquarium Master Test Kit, 800 Count
Chewy.com
$239.98
Lamotte Colorq 2X Testabs PRO 7 2087
PoolZoom.com
1
$239.98
Lamotte Colorq 2X Testabs PRO 7 2087
PoolZoom.com
$399.00
Advanced Well Water Test With Overnight Shipping
Tap Score
$399.00
Advanced Well Water Test With Overnight Shipping
Tap Score
$86.98
Total & Calcium Hardness Test Kit
Cannon Water Technology
$86.98
Total & Calcium Hardness Test Kit
Cannon Water Technology
$42.00
HM Digital PH-80 Ph Hydrotester
Cannon Water Technology
$42.00
HM Digital PH-80 Ph Hydrotester
Cannon Water Technology
$98.40
Chemetrics Test Kit Chlorine 0 To 1, 1 To 5 Ppm Range S | Cole-Parmer
Cole-Parmer
$98.40
Chemetrics Test Kit Chlorine 0 To 1, 1 To 5 Ppm Range S | Cole-Parmer
Cole-Parmer
$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
$29.79
Swimline Test Kit 4-1 8440
PoolZoom.com
49
$29.79
Swimline Test Kit 4-1 8440
PoolZoom.com
$93.49
Hach Free Chlorine Color Disc Test Kit , Range 0 To 3.4 Ppm | Cole-Parmer
Cole-Parmer
49
$93.49
Hach Free Chlorine Color Disc Test Kit , Range 0 To 3.4 Ppm | Cole-Parmer
Cole-Parmer
$70.10
Freshwater Master Test Kit
Carolina Biological Supply
$70.10
Freshwater Master Test Kit
Carolina Biological Supply
$175.00
Taylor Technologies K-2006C-8 2000 Service Complete FAS-DPD Chlorine Test Kit
Pool Warehouse
25
$175.00
Taylor Technologies K-2006C-8 2000 Service Complete FAS-DPD Chlorine Test Kit
Pool Warehouse
$446.00
Roche Nitrite/Nitrate, Colorimetric Test, Sufficient For 64 Assays, Pack Of 1 Tests (5 Components), Suitable For Water Monitoring 1 Pkg
Sigma-Aldrich
$446.00
Roche Nitrite/Nitrate, Colorimetric Test, Sufficient For 64 Assays, Pack Of 1 Tests (5 Components), Suitable For Water Monitoring 1 Pkg
Sigma-Aldrich
$98.45
$398.00
Essential Home Water Test Kit For Drinking Water | Tests For 50+ Parameters Like Lead, Bacteria, And Heavy Metals | EPA Certified Well Or Tap Water Test
responsiml.com
75% off
$98.45
$398.00
Essential Home Water Test Kit For Drinking Water | Tests For 50+ Parameters Like Lead, Bacteria, And Heavy Metals | EPA Certified Well Or Tap Water Test
responsiml.com
$66.74
Free Chlorine Test Kit, Extended Range
Certified MTP
$66.74
Free Chlorine Test Kit, Extended Range
Certified MTP
$86.73
$169.81
Advanced Home Water Test Kit | Well Or City | EPA Certified Drinking Water Labs | 1 Best Home Water Test - Wirecutter
SERGIIKA
48% off
$86.73
$169.81
Advanced Home Water Test Kit | Well Or City | EPA Certified Drinking Water Labs | 1 Best Home Water Test - Wirecutter
SERGIIKA
$75.00
$150.00
Basic Drinking Water Test Kit For City And Well Water - Lab Results For 30+ Parameters Including: Coliform Bacteria, Nitrate, Nitrite, Lead, Copper, And More
responsiml.com
50% off
$75.00
$150.00
Basic Drinking Water Test Kit For City And Well Water - Lab Results For 30+ Parameters Including: Coliform Bacteria, Nitrate, Nitrite, Lead, Copper, And More
responsiml.com
$84.35
$165.51
Advanced Home Water Test Kit | Well Or City | EPA Certified Drinking Water Labs | 1 Best Home Water Test - Wirecutter
toshomx
49% off
$84.35
$165.51
Advanced Home Water Test Kit | Well Or City | EPA Certified Drinking Water Labs | 1 Best Home Water Test - Wirecutter
toshomx
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$84.97
Water Quality Tester
Until Times Up
41% off
$49.97
$84.97
Water Quality Tester
Until Times Up
$59.46
Total Hardness Test Kit
Certified MTP
$59.46
Total Hardness Test Kit
Certified MTP
$70.78
Ammonia Test Kit For Fresh Water Reagents (25 )
Certified MTP
$70.78
Ammonia Test Kit For Fresh Water Reagents (25 )
Certified MTP
$36.88
Portable 4 in 1 Hydrogen-Rich Test Pen PH/ORP/TEMP Water Quality Meter Tester
motorgenic.com
Free shipping
$36.88
Portable 4 in 1 Hydrogen-Rich Test Pen PH/ORP/TEMP Water Quality Meter Tester
motorgenic.com
$34.99
$50.48
API Saltwater Master Test Kit For Accurate Water Testing
HardyPaw
4K+
30% off
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$50.48
API Saltwater Master Test Kit For Accurate Water Testing
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$97.00
Taylor Technologies K-2006 Complete FAS-DPD Chlorine Test Kit
Pool Warehouse
2K+
$97.00
Taylor Technologies K-2006 Complete FAS-DPD Chlorine Test Kit
Pool Warehouse
$35.98
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API Freshwater Master Test Kit
Petco.com
38K+
34% off
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$54.99
API Freshwater Master Test Kit
Petco.com
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Water Quality Meter Kit, Item 850086 - Complete Water Meter Kit With Probes
Sper Direct
$191.40
Water Quality Meter Kit, Item 850086 - Complete Water Meter Kit With Probes
Sper Direct
$14.95
$19.95
HM Digital TDS-EZ 0-9990 PPM Water Quality Tester
FiltersFast.com
7K+
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HM Digital TDS-EZ 0-9990 PPM Water Quality Tester
FiltersFast.com
$388.20
AM-12 Testabs Water Investigation Kit, Lamotte
Carolina Biological Supply
$388.20
AM-12 Testabs Water Investigation Kit, Lamotte
Carolina Biological Supply
API Freshwater Master Test Kit Instructions: Step-by-Step Guide
kavemanaquatics.com
API Freshwater Master Test Kit Instructions: Step-by-Step Guide
If you have an aquarium, you've probably already heard of API Freshwater Master Test Kits. These kits are the best way to determine your water’s quality. In this article, we'll go over the API Freshwater Master Test Kit Instructions.
Nov 8, 2022
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allaboutpools.org
Mar 10, 2023
The 9 Best Aquarium Test Kits For 2024 - Reviewed
The 9 Best Aquarium Test Kits For 2024 - Reviewed
aquariumstoredepot.com
2K viewsJul 14, 2019
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1-48 of 149 results for "api freshwater master test kit"
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Use a Convenient Test Kit to Check Water Quality in Your Pool
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Water Testing Kit - 8 Pack for E. Coli and Coliform Bacteria Detection | High Sensitivity Water Testing Kits for Drinking Water or Well | DIY Water Quality Tester for Professional Use
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amazon
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Use a Convenient Test Kit to Check Water Quality in Your Pool
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Shop water test kit

Sponsored
About our ads
$399.00
Advanced Well Water Test With Overnight Shipping
Tap Score
$399.00
Advanced Well Water Test With Overnight Shipping
Tap Score
$86.98
Total & Calcium Hardness Test Kit
Cannon Water Technology
$86.98
Total & Calcium Hardness Test Kit
Cannon Water Technology
$42.00
HM Digital PH-80 Ph Hydrotester
Cannon Water Technology
$42.00
HM Digital PH-80 Ph Hydrotester
Cannon Water Technology
$98.40
Chemetrics Test Kit Chlorine 0 To 1, 1 To 5 Ppm Range S | Cole-Parmer
Cole-Parmer
$98.40
Chemetrics Test Kit Chlorine 0 To 1, 1 To 5 Ppm Range S | Cole-Parmer
Cole-Parmer
$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
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Swimline Test Kit 4-1 8440
PoolZoom.com
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Hach Free Chlorine Color Disc Test Kit , Range 0 To 3.4 Ppm | Cole-Parmer
Cole-Parmer
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Hach Free Chlorine Color Disc Test Kit , Range 0 To 3.4 Ppm | Cole-Parmer
Cole-Parmer
$70.10
Freshwater Master Test Kit
Carolina Biological Supply
$70.10
Freshwater Master Test Kit
Carolina Biological Supply
$175.00
Taylor Technologies K-2006C-8 2000 Service Complete FAS-DPD Chlorine Test Kit
Pool Warehouse
25
$175.00
Taylor Technologies K-2006C-8 2000 Service Complete FAS-DPD Chlorine Test Kit
Pool Warehouse
$446.00
Roche Nitrite/Nitrate, Colorimetric Test, Sufficient For 64 Assays, Pack Of 1 Tests (5 Components), Suitable For Water Monitoring 1 Pkg
Sigma-Aldrich
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Roche Nitrite/Nitrate, Colorimetric Test, Sufficient For 64 Assays, Pack Of 1 Tests (5 Components), Suitable For Water Monitoring 1 Pkg
Sigma-Aldrich
$98.45
$398.00
Essential Home Water Test Kit For Drinking Water | Tests For 50+ Parameters Like Lead, Bacteria, And Heavy Metals | EPA Certified Well Or Tap Water Test
responsiml.com
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$398.00
Essential Home Water Test Kit For Drinking Water | Tests For 50+ Parameters Like Lead, Bacteria, And Heavy Metals | EPA Certified Well Or Tap Water Test
responsiml.com
$66.74
Free Chlorine Test Kit, Extended Range
Certified MTP
$66.74
Free Chlorine Test Kit, Extended Range
Certified MTP
$86.73
$169.81
Advanced Home Water Test Kit | Well Or City | EPA Certified Drinking Water Labs | 1 Best Home Water Test - Wirecutter
SERGIIKA
48% off
$86.73
$169.81
Advanced Home Water Test Kit | Well Or City | EPA Certified Drinking Water Labs | 1 Best Home Water Test - Wirecutter
SERGIIKA
$75.00
$150.00
Basic Drinking Water Test Kit For City And Well Water - Lab Results For 30+ Parameters Including: Coliform Bacteria, Nitrate, Nitrite, Lead, Copper, And More
responsiml.com
50% off
$75.00
$150.00
Basic Drinking Water Test Kit For City And Well Water - Lab Results For 30+ Parameters Including: Coliform Bacteria, Nitrate, Nitrite, Lead, Copper, And More
responsiml.com
$84.35
$165.51
Advanced Home Water Test Kit | Well Or City | EPA Certified Drinking Water Labs | 1 Best Home Water Test - Wirecutter
toshomx
49% off
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Advanced Home Water Test Kit | Well Or City | EPA Certified Drinking Water Labs | 1 Best Home Water Test - Wirecutter
toshomx
$49.97
$84.97
Water Quality Tester
Until Times Up
41% off
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$84.97
Water Quality Tester
Until Times Up
$59.46
Total Hardness Test Kit
Certified MTP
$59.46
Total Hardness Test Kit
Certified MTP
$70.78
Ammonia Test Kit For Fresh Water Reagents (25 )
Certified MTP
$70.78
Ammonia Test Kit For Fresh Water Reagents (25 )
Certified MTP

Shop water test kit

Sponsored
About our ads
$69.00
Chlorine Test Kit - ULINE - Case Of 10
Uline
$69.00
Chlorine Test Kit - ULINE - Case Of 10
Uline
$221.95
$239.00
Extech CL200 Exstik Waterproof Chlorine Meter
Amazon.com
41
Free shipping
$221.95
$239.00
Extech CL200 Exstik Waterproof Chlorine Meter
Amazon.com
$15.00
TDS Meter - Third Wave Water
Third Wave Water
$15.00
TDS Meter - Third Wave Water
Third Wave Water
$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
$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
$34.25
Hach Hardness Drop Test Kit , High Range (Range 1 To 30 Gpg) | Cole-Parmer
Cole-Parmer
1K+
$34.25
Hach Hardness Drop Test Kit , High Range (Range 1 To 30 Gpg) | Cole-Parmer
Cole-Parmer
$13.49
$17.99
Fritz Aquarium Water Nitrate Test Kit
Chewy.com
25% off
$13.49
$17.99
Fritz Aquarium Water Nitrate Test Kit
Chewy.com
$15.49
Industrial Test Systems Waterworks 480124 Free Chlorine Test Strip, Ultra High II Range, 61 Seconds Test Time, 0-2000Ppm Range (Bottle Of 50)
Amazon.com
233
$15.49
Industrial Test Systems Waterworks 480124 Free Chlorine Test Strip, Ultra High II Range, 61 Seconds Test Time, 0-2000Ppm Range (Bottle Of 50)
Amazon.com
$46.49
Pentair 4-In-1 OTO Test Kit - Chlorine, Ph, Acid Demand, & Total Alkalinity R151186
PoolZoom.com
222
$46.49
Pentair 4-In-1 OTO Test Kit - Chlorine, Ph, Acid Demand, & Total Alkalinity R151186
PoolZoom.com
$31.76
$50.48
API Freshwater Aquarium Master Test Kit, 800 Count
Chewy.com
315
37% off
$31.76
$50.48
API Freshwater Aquarium Master Test Kit, 800 Count
Chewy.com
$239.98
Lamotte Colorq 2X Testabs PRO 7 2087
PoolZoom.com
1
$239.98
Lamotte Colorq 2X Testabs PRO 7 2087
PoolZoom.com
$399.00
Advanced Well Water Test With Overnight Shipping
Tap Score
$399.00
Advanced Well Water Test With Overnight Shipping
Tap Score
$86.98
Total & Calcium Hardness Test Kit
Cannon Water Technology
$86.98
Total & Calcium Hardness Test Kit
Cannon Water Technology
$42.00
HM Digital PH-80 Ph Hydrotester
Cannon Water Technology
$42.00
HM Digital PH-80 Ph Hydrotester
Cannon Water Technology
$98.40
Chemetrics Test Kit Chlorine 0 To 1, 1 To 5 Ppm Range S | Cole-Parmer
Cole-Parmer
$98.40
Chemetrics Test Kit Chlorine 0 To 1, 1 To 5 Ppm Range S | Cole-Parmer
Cole-Parmer
$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
$29.79
Swimline Test Kit 4-1 8440
PoolZoom.com
49
$29.79
Swimline Test Kit 4-1 8440
PoolZoom.com
$93.49
Hach Free Chlorine Color Disc Test Kit , Range 0 To 3.4 Ppm | Cole-Parmer
Cole-Parmer
49
$93.49
Hach Free Chlorine Color Disc Test Kit , Range 0 To 3.4 Ppm | Cole-Parmer
Cole-Parmer