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Test Kit & Solutions(305)
Uses item details. Price when purchased online
In 25+ people's carts HTH 6-Way Test Kit — Strips, 100 Count — Pool and Pond Water Testing Kit for pH, Chlorine, Alkalinity, and More

HTH 6-Way Test Kit — Strips, 100 Count — Pool and Pond Water Testing Kit for pH, Chlorine, Alkalinity, and More
2664.4 out of 5 Stars. 266 reviews
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Best seller AAwipes Lead Test Kit (30 Rapid Testing Swabs) 30-Second Results. Dip in Water. Home Use for All Surfaces - Painted, Dishes, Toys, Jewelry, Metal, Ceramics, Wood (LS30) From $9.98

4 options
Available in additional 4 optionsFrom$998
AAwipes Lead Test Kit (30 Rapid Testing Swabs) 30-Second Results. Dip in Water. Home Use for All Surfaces - Painted, Dishes, Toys, Jewelry, Metal, Ceramics, Wood (LS30)
734.5 out of 5 Stars. 73 reviews
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Best seller Clorox Pool&Spa 3-Way Reagent Refills for Swimming Pool Water Testing, 1 Count, 0.5 fl oz From $3.84

2 options
Available in additional 2 optionsFrom$384
Clorox Pool&Spa 3-Way Reagent Refills for Swimming Pool Water Testing, 1 Count, 0.5 fl oz
2104.5 out of 5 Stars. 210 reviews
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Reduced price All-New 16 in 1 Drinking Water Testing Kit 125 Strips - Home Tap and Well Water Test Kit for Hardness, Lead, Iron, Copper, Chlorine, Nitrate, Nitrite, pH, etc Was $13.98

All-New 16 in 1 Drinking Water Testing Kit 125 Strips - Home Tap and Well Water Test Kit for Hardness, Lead, Iron, Copper, Chlorine, Nitrate, Nitrite, pH, etc
644.4 out of 5 Stars. 64 reviews
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Water Testing Kits for Drinking Water: 125 Strips 16 in 1 Well and Drinking Water Test Kit, EASYTEST Water Test Strips with Hardness, pH, Lead, Iron, Copper, Chlorine, and More $14.98

$1498
current price $14.98Water Testing Kits for Drinking Water: 125 Strips 16 in 1 Well and Drinking Water Test Kit, EASYTEST Water Test Strips with Hardness, pH, Lead, Iron, Copper, Chlorine, and More
414.5 out of 5 Stars. 41 reviews
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Aquarian By API Aquarium Starter Test Kit 300 ct Box $19.98

$1998
current price $19.98Aquarian By API Aquarium Starter Test Kit 300 ct Box
75 out of 5 Stars. 7 reviews
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API Freshwater Master Test Kit, Aquarium Water 850 Test Kit $38.49

$3849
current price $38.49API Freshwater Master Test Kit, Aquarium Water 850 Test Kit
1254.8 out of 5 Stars. 125 reviews
Taylor K2006 Complete Swimming Pool Water Test Kit Chlorine, pH, Alkalinity From $91.21

2 options
Available in additional 2 optionsFrom$9121
Taylor K2006 Complete Swimming Pool Water Test Kit Chlorine, pH, Alkalinity
604.1 out of 5 Stars. 60 reviews
9-Way Aquarium Test Strips - 150 Aquarium Water Test Kit Fish Tank Test Kit Quick & Accurate Testing Iron Copper Nitrate Nitrite Chlorine Total Hardness Total Alkalinity Carbonate pH $12.98

$1298
current price $12.989-Way Aquarium Test Strips - 150 Aquarium Water Test Kit Fish Tank Test Kit Quick & Accurate Testing Iron Copper Nitrate Nitrite Chlorine Total Hardness Total Alkalinity Carbonate pH
244.7 out of 5 Stars. 24 reviews
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Basic 3-Way Swimming Pool & Spa Test Kit - Tests Water for pH, Chlorine, and Bromine - OTO and Phenol Red Test Solutions - Maintain the Proper Chemical Balance of Pool Water $12.99

$1299
current price $12.99Basic 3-Way Swimming Pool & Spa Test Kit - Tests Water for pH, Chlorine, and Bromine - OTO and Phenol Red Test Solutions - Maintain the Proper Chemical Balance of Pool Water
1334.6 out of 5 Stars. 133 reviews
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API Ammonia Test Kit

API Ammonia Test Kit
134.2 out of 5 Stars. 13 reviews
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FRESHWATER PH TEST KIT $10.00

$1000
current price $10.00FRESHWATER PH TEST KIT
184.2 out of 5 Stars. 18 reviews
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Taylor K-1004 Safety Plus Swimming Pool Chlorine Bromine pH Alkalinity Test Kit $29.03

$2903
current price $29.03Taylor K-1004 Safety Plus Swimming Pool Chlorine Bromine pH Alkalinity Test Kit
604.5 out of 5 Stars. 60 reviews
U.S. Pool Supply Standard 3-Way Swimming Pool & Spa Test Kit, Tests Water for pH, Chlorine and Bromine $12.99

$1299
current price $12.99U.S. Pool Supply Standard 3-Way Swimming Pool & Spa Test Kit, Tests Water for pH, Chlorine and Bromine
344.3 out of 5 Stars. 34 reviews
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U.S. Pool Supply Premium 5-Way Swimming Pool & Spa Test Kit - Tests Water for pH, Chlorine, Bromine, Alkalinity and Acid Demand - Maintain Properly Balanced Chemical Levels, Algae Sanitizer Indicator $19.99

$1999
current price $19.99U.S. Pool Supply Premium 5-Way Swimming Pool & Spa Test Kit - Tests Water for pH, Chlorine, Bromine, Alkalinity and Acid Demand - Maintain Properly Balanced Chemical Levels, Algae Sanitizer Indicator
424.5 out of 5 Stars. 42 reviews
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Taylor Swimming Pool Chlorine Bromine Alkalinity Hardness pH DP Test Kit From $66.95

3 options
Available in additional 3 optionsFrom$6695
Taylor Swimming Pool Chlorine Bromine Alkalinity Hardness pH DP Test Kit
294.9 out of 5 Stars. 29 reviews
Poolmaster Solutions, 1 thru 5 $13.32 42.9 ¢/ea

$1332
current price $13.3242.9 ¢/ea
Poolmaster Solutions, 1 thru 5
45 out of 5 Stars. 4 reviews
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Poolmaster Premier 5-Way Test Kit with Case $21.96

$2196
current price $21.96Poolmaster Premier 5-Way Test Kit with Case
11 out of 5 Stars. 1 reviews
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Hvxrjkn 100Pcs Aquarium Test Strips 9 in 1 Fish Tank Test Kit with Test Tube Fast Aquarium Water Testing Strips for Iron Copper Nitrate Nitrite Free Chlorine Hardness Carbonate pH

Hvxrjkn 100Pcs Aquarium Test Strips 9 in 1 Fish Tank Test Kit with Test Tube Fast Aquarium Water Testing Strips for Iron Copper Nitrate Nitrite Free Chlorine Hardness Carbonate pH
105 out of 5 Stars. 10 reviews
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Aquarium Pharmaceuticals pH Test and Adjuster Kit for Freshwater Aquariums

Aquarium Pharmaceuticals pH Test and Adjuster Kit for Freshwater Aquariums
124.8 out of 5 Stars. 12 reviews
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NEW TAYLOR K-2006 Complete Swimming Pool/Spa Test Kit FAS-DPD K2006 Chlorine $99.99

$9999
current price $99.99NEW TAYLOR K-2006 Complete Swimming Pool/Spa Test Kit FAS-DPD K2006 Chlorine
243.8 out of 5 Stars. 24 reviews
Taylor R-0004 Swimming Pool Test Kit Reagent #4 2 Oz pH Indicator Phenol Red $11.95

$1195
current price $11.95Taylor R-0004 Swimming Pool Test Kit Reagent #4 2 Oz pH Indicator Phenol Red
104.9 out of 5 Stars. 10 reviews
Water Hardness Test Strips 100 Count with Range 0-425 ppm for Drinking Water Tap Water and More $11.50

$1150
current price $11.50Water Hardness Test Strips 100 Count with Range 0-425 ppm for Drinking Water Tap Water and More
API Nitrate Test Kit Fresh & Salt Water

API Nitrate Test Kit Fresh & Salt Water
104.5 out of 5 Stars. 10 reviews
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JED Pool and Spa Test Kit 00-481 $14.56

$1456
current price $14.56JED Pool and Spa Test Kit 00-481
663.7 out of 5 Stars. 66 reviews
API High Range pH Test Kit, Aquarium Water Test Kit, 1-Count $9.49

$949
current price $9.49API High Range pH Test Kit, Aquarium Water Test Kit, 1-Count
54 out of 5 Stars. 5 reviews
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U.S. Pool Supply 6 Bottle Refill Solution Pack for Premium 5-Way Swimming Pool & Spa Test Kit - Replacement Indicator Bottles, Test Water for pH, Chlorine, Bromine, Alkalinity, Acid Demand - Chemicals $9.99 Was $12.99

Now$999
current price Now $9.99, Was $12.99$12.99
U.S. Pool Supply 6 Bottle Refill Solution Pack for Premium 5-Way Swimming Pool & Spa Test Kit - Replacement Indicator Bottles, Test Water for pH, Chlorine, Bromine, Alkalinity, Acid Demand - Chemicals
35 out of 5 Stars. 3 reviews
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U.S. Pool Supply Swimming Pool & Spa Test Kit Refill Solutions, Test Water for pH, Chlorine and Bromine $7.99

$799
current price $7.99U.S. Pool Supply Swimming Pool & Spa Test Kit Refill Solutions, Test Water for pH, Chlorine and Bromine
224.1 out of 5 Stars. 22 reviews
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Taylor K-2005C 2000 Service Complete Swimming Pool Bromine Chlorine pH Test Kit $144.99

$14499
current price $144.99Taylor K-2005C 2000 Service Complete Swimming Pool Bromine Chlorine pH Test Kit
25 out of 5 Stars. 2 reviews
Taylor Technologies K-1001 Residential Basic DPD Pool & Spa Test Kit $14.95

$1495
current price $14.95Taylor Technologies K-1001 Residential Basic DPD Pool & Spa Test Kit
344.5 out of 5 Stars. 34 reviews
Red Sea Marine Care Multi Test Kit for Marine and Reef Aquariums $75.23

$7523
current price $75.23Red Sea Marine Care Multi Test Kit for Marine and Reef Aquariums
Taylor R-0001 Swimming Pool Spa Test Kit DPD Reagent #1 .75 Oz Refill Bottle $9.95

$995
current price $9.95Taylor R-0001 Swimming Pool Spa Test Kit DPD Reagent #1 .75 Oz Refill Bottle
44.5 out of 5 Stars. 4 reviews
HTH Pool Care 6-Way Test Kit, Swimming Pool Water Chemical Tester, 100 Tests $37.20

$3720
current price $37.20HTH Pool Care 6-Way Test Kit, Swimming Pool Water Chemical Tester, 100 Tests
34.3 out of 5 Stars. 3 reviews
Taylor Technologies R 0006 A Base Demand Reagent 3 4 oz $11.06

$1106
current price $11.06Taylor Technologies R 0006 A Base Demand Reagent 3 4 oz
15 out of 5 Stars. 1 reviews
Taylor Phenol Red pH Indicator Solution R-0014 for Pool Test Kit, 0.75 Ounces $9.86

$986
current price $9.86Taylor Phenol Red pH Indicator Solution R-0014 for Pool Test Kit, 0.75 Ounces
API Nitrite Test Kit, Freshwater and Saltwater Aquarium Test Kit, 180 Tests $12.99

$1299
current price $12.99API Nitrite Test Kit, Freshwater and Saltwater Aquarium Test Kit, 180 Tests
24.5 out of 5 Stars. 2 reviews
3m Fit Testing Solution,Saccharin,55mL FT-12 $33.42

$3342
current price $33.423m Fit Testing Solution,Saccharin,55mL FT-12
Clearance Yooshoverk 6-in-1 Pool Test Strips, Multi-Function Chlorine and pH Tester, Accurate for Swimming Pool and Spa Water Quality Was $3.99

Yooshoverk 6-in-1 Pool Test Strips, Multi-Function Chlorine and pH Tester, Accurate for Swimming Pool and Spa Water Quality
Leisure Time Strips Test Strips 1.5 oz $21.36

$2136
current price $21.36Leisure Time Strips Test Strips 1.5 oz
15 out of 5 Stars. 1 reviews
API PondCare Pond Master Test Kit Liquid Water Conditioner Fast Easy Accurate

API PondCare Pond Master Test Kit Liquid Water Conditioner Fast Easy Accurate
94.9 out of 5 Stars. 9 reviews
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