Water Testing(775)
Uses item details. Price when purchased online
50+ bought since yesterday HTH Spa Care 6-Way Pool and Spa & Pool Test Strips, Chemical Tester, 25 Each From $6.54 Was $14.00

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$14.00
HTH Spa Care 6-Way Pool and Spa & Pool Test Strips, Chemical Tester, 25 Each
2524.8 out of 5 Stars. 252 reviews
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Digital Water Testing Kit - Digital Hot Tub Water Tester for Pool - Digital Chlorine Tester for Pool by AquaDoc with Water Analyzer and Test Strips $157.49

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$15749
current price $157.49Digital Water Testing Kit - Digital Hot Tub Water Tester for Pool - Digital Chlorine Tester for Pool by AquaDoc with Water Analyzer and Test Strips
144.3 out of 5 Stars. 14 reviews
AK Ainkter Saltwater Pool Test Strips 0-8000 PPM Range Fast Accurate 50 Count $10.99 Was $12.99

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Now$1099
current price Now $10.99, Was $12.99$12.99
AK Ainkter Saltwater Pool Test Strips 0-8000 PPM Range Fast Accurate 50 Count
Saltwater Pool Test Strips, Swimming Pool and Spa Salt Test Strips Kit for Sodium Chloride Content 0-8000 ppm, 25 Count $12.99

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$1299
current price $12.99Saltwater Pool Test Strips, Swimming Pool and Spa Salt Test Strips Kit for Sodium Chloride Content 0-8000 ppm, 25 Count
103.9 out of 5 Stars. 10 reviews
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Best seller LabTech LT5010 H2O OK Drinking Water Analysis Test Strips Kit, 10 Water Quality Tests Included, 0.058 lb. From $9.98

3 options
Available in additional 3 optionsFrom$998
LabTech LT5010 H2O OK Drinking Water Analysis Test Strips Kit, 10 Water Quality Tests Included, 0.058 lb.
1574.3 out of 5 Stars. 157 reviews
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Overall pick EASYTEST 20 in 1 Drinking Water Test Kit - Well Water Testing Kit - Water Test Strip for House Water for pH, Hardness, Chlorine, Lead, Iron, Bacteria & More $17.98

$1798
current price $17.98EASYTEST 20 in 1 Drinking Water Test Kit - Well Water Testing Kit - Water Test Strip for House Water for pH, Hardness, Chlorine, Lead, Iron, Bacteria & More
634.4 out of 5 Stars. 63 reviews
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16-in-1 Water Test Strips, Drinking Kit, 100 Strips Home Quality Kit $12.09

$1209
current price $12.0916-in-1 Water Test Strips, Drinking Kit, 100 Strips Home Quality Kit
50+ bought since yesterday Clorox Pool&Spa, Multi-Use Smart Strips forWater Testing, 30 Count, 0.05lb Pool Test Strips 1ct

Clorox Pool&Spa, Multi-Use Smart Strips forWater Testing, 30 Count, 0.05lb Pool Test Strips 1ct
10304.5 out of 5 Stars. 1030 reviews
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Heavy Metals Water Test Strips (8 Tests) - 100ct Home Water Testing Kit for Iron, Mercury, Copper, Lead, Chromium, Magnesium, Cadmium, Calcium-Well Home Tap Testing Kit $12.99

$1299
current price $12.99Heavy Metals Water Test Strips (8 Tests) - 100ct Home Water Testing Kit for Iron, Mercury, Copper, Lead, Chromium, Magnesium, Cadmium, Calcium-Well Home Tap Testing Kit
53.4 out of 5 Stars. 5 reviews
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Lamotte Water Test Ed Kit,Ammonia Nitrogen,PK50 3642-SC $83.31

$8331
current price $83.31Lamotte Water Test Ed Kit,Ammonia Nitrogen,PK50 3642-SC
Best seller EASYTEST 7-Way Pool Test Strips, 150 Strips Water Chemical Testing for Hot tub and Spa, Accurate Test Bromine, Total Alkalinity, pH, Free Chlorine, Total Hardness, Cyanuric Acid, and Total Chlorine From $11.99

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From$1199
EASYTEST 7-Way Pool Test Strips, 150 Strips Water Chemical Testing for Hot tub and Spa, Accurate Test Bromine, Total Alkalinity, pH, Free Chlorine, Total Hardness, Cyanuric Acid, and Total Chlorine
1104.7 out of 5 Stars. 110 reviews
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Swimming Pool Test Strips 7-Way Water Quality Testing 100 Count $5.99 Was $7.99

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Now$599
current price Now $5.99, Was $7.99$7.99
Swimming Pool Test Strips 7-Way Water Quality Testing 100 Count
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Best seller 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
2634.4 out of 5 Stars. 263 reviews
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GJX 16 in 1 Drinking Water Test Kit, Home Water Test Kit $12.18

$1218
current price $12.18GJX 16 in 1 Drinking Water Test Kit, Home Water Test Kit
3X 17-In-1 Complete Water Test Kit for Home,100 Strips + 2 Water Testing Kits for Drinking Water Easy Testing, PH, Lead $31.79

$3179
current price $31.793X 17-In-1 Complete Water Test Kit for Home,100 Strips + 2 Water Testing Kits for Drinking Water Easy Testing, PH, Lead
Best seller Pool and Hot Tub Water Test Strips 7-Way Testing 150 Strips $8.99

$899
current price $8.99Pool and Hot Tub Water Test Strips 7-Way Testing 150 Strips
65 out of 5 Stars. 6 reviews
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Wiher 16 in 1 Water Testing Strips, Water Testing Kits for Drinking, Pool Water,100 Strips Home Water Quality Test Kit Testing for pH, Hardness, Chlorine, Lead, Iron, Copper, Nitrate, Nitrite From $13.99

2 options
Available in additional 2 optionsFrom$1399
Wiher 16 in 1 Water Testing Strips, Water Testing Kits for Drinking, Pool Water,100 Strips Home Water Quality Test Kit Testing for pH, Hardness, Chlorine, Lead, Iron, Copper, Nitrate, Nitrite
304.4 out of 5 Stars. 30 reviews
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Aquachek TruTest Digital Reader Test Strips - 50 Strips - 4 pack From $15.99

2 options
Available in additional 2 optionsFrom$1599
Aquachek TruTest Digital Reader Test Strips - 50 Strips - 4 pack
354 out of 5 Stars. 35 reviews
PRO-LAB Water Bacteria Test Kit BA110 - Pool Test Kit $12.65 Was $20.99

Now$1265
current price Now $12.65, Was $20.99$20.99
PRO-LAB Water Bacteria Test Kit BA110 - Pool Test Kit
393.8 out of 5 Stars. 39 reviews
PRO-LAB Total Water Quality Test Kit $27.65

$2765
current price $27.65PRO-LAB Total Water Quality Test Kit
454.3 out of 5 Stars. 45 reviews
MERYDI Phosphate Test Strips Water Quality Testing For Pool and Spa, 50 Count $13.99

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$1399
current price $13.99MERYDI Phosphate Test Strips Water Quality Testing For Pool and Spa, 50 Count
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EASYTEST 9-Way Pool Test Strips, 165 Strips for Hot tub and Spa, Accurate Testing pH, Total Chlorine, Free Chlorine, Bromine, Alkalinity, Total Hardness, Cyanuric Acid, Salt and Copper From $15.98

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From$1598
EASYTEST 9-Way Pool Test Strips, 165 Strips for Hot tub and Spa, Accurate Testing pH, Total Chlorine, Free Chlorine, Bromine, Alkalinity, Total Hardness, Cyanuric Acid, Salt and Copper
54.8 out of 5 Stars. 5 reviews
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AquaChek 551236 7-Way Pool & Spa Test Strips - 100 Count $34.99

$3499
current price $34.99AquaChek 551236 7-Way Pool & Spa Test Strips - 100 Count
PRO-LAB Lead in Water Test Kit $12.87

$1287
current price $12.87PRO-LAB Lead in Water Test Kit
414.5 out of 5 Stars. 41 reviews
Pentair R161644 No.7 Water Hardness Test Solution, 1-Ounce $8.22

$822
current price $8.22Pentair R161644 No.7 Water Hardness Test Solution, 1-Ounce
Clorox Pool&Spa 3-Way Pool Test Kit pH, 1ct From $8.68

2 options
Available in additional 2 optionsFrom$868
Clorox Pool&Spa 3-Way Pool Test Kit pH, 1ct
5084.3 out of 5 Stars. 508 reviews
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Industrial Test Systems Water Quality Test Kit $46.99

$4699
current price $46.99Industrial Test Systems Water Quality Test Kit
15 out of 5 Stars. 1 reviews
JWshufel High Accuracy Digital PH Meter Water Tester Portable Pen Type PH Water Test Kit for Home Use Swimming Pools Hydroponics Spas Beer with Automatic Temperature Compensation From $5.39
From$539
JWshufel High Accuracy Digital PH Meter Water Tester Portable Pen Type PH Water Test Kit for Home Use Swimming Pools Hydroponics Spas Beer with Automatic Temperature Compensation
PurTest P0402 Home Water Analysis Test Kit-- PB Format $38.35

$3835
current price $38.35PurTest P0402 Home Water Analysis Test Kit-- PB Format
Valink 14-in-1 Drinking Water Test Kit Water Quality Test for Well and Tap Water 50/100pcs

Valink 14-in-1 Drinking Water Test Kit Water Quality Test for Well and Tap Water 50/100pcs
93.6 out of 5 Stars. 9 reviews
Heavy Metals Water Test Strips (8 Tests) - 100ct Home Water Testing Kit for Iron, Mercury, Copper, Lead, Chromium, Magnesium, Cadmium, Calcium-Well Home Tap Testing Kit $12.99

Sponsored
$1299
current price $12.99Heavy Metals Water Test Strips (8 Tests) - 100ct Home Water Testing Kit for Iron, Mercury, Copper, Lead, Chromium, Magnesium, Cadmium, Calcium-Well Home Tap Testing Kit
53.4 out of 5 Stars. 5 reviews
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AquaVial Swim Water Test Kit Detects Pseudomonas and Coliforms 2 Pack $39.11

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$3911
current price $39.11AquaVial Swim Water Test Kit Detects Pseudomonas and Coliforms 2 Pack
Pool test strips, 150 pieces, suitable for water chemistry tests in hot tubs and spa pools

Pool test strips, 150 pieces, suitable for water chemistry tests in hot tubs and spa pools
MERYDI Water Hardness Test Kit Double Color Pads For Home Drinking Pool Spa Well Water 150 Strips With Sample Tube $6.99

$699
current price $6.99MERYDI Water Hardness Test Kit Double Color Pads For Home Drinking Pool Spa Well Water 150 Strips With Sample Tube
25 out of 5 Stars. 2 reviews
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Water Hardness Test Strips 100 Count with Range 0-425 ppm for Drinking Water Tap Water and More $11.48

$1148
current price $11.48Water Hardness Test Strips 100 Count with Range 0-425 ppm for Drinking Water Tap Water and More
Bio Ouster Hot Tub Water Balancing Kit Spa pH Up, pH Down, Alkalinity Increaser, Calcium Hardness Increaser, and Test Strips, Made in USA $39.97

$3997
current price $39.97Bio Ouster Hot Tub Water Balancing Kit Spa pH Up, pH Down, Alkalinity Increaser, Calcium Hardness Increaser, and Test Strips, Made in USA
44.8 out of 5 Stars. 4 reviews
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50+ bought since yesterday HTH Spa Care 6-Way Pool and Spa & Pool Test Strips, Chemical Tester, 25 Each Was $14.00

HTH Spa Care 6-Way Pool and Spa & Pool Test Strips, Chemical Tester, 25 Each
2524.8 out of 5 Stars. 252 reviews
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50+ bought since yesterday Clorox Pool&Spa, Multi-Use Smart Strips forWater Testing, 30 Count, 0.05lb Pool Test Strips 1ct From $9.44

From$944
Clorox Pool&Spa, Multi-Use Smart Strips forWater Testing, 30 Count, 0.05lb Pool Test Strips 1ct
10244.5 out of 5 Stars. 1024 reviews
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Water Test Strips, 16 in 1 Water Testing Kits for Drinking Water 100 PCS Rapid Test Strips Detect Hardness, Lead,Chlorine,pH, Nitrate,Iron and More Home Water Test Kit for Well, Tap, and Pool Water From $12.99

2 options
Available in additional 2 optionsFrom$1299
Water Test Strips, 16 in 1 Water Testing Kits for Drinking Water 100 PCS Rapid Test Strips Detect Hardness, Lead,Chlorine,pH, Nitrate,Iron and More Home Water Test Kit for Well, Tap, and Pool Water
64.2 out of 5 Stars. 6 reviews
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HydroTools 8420 Deluxe Two Way Swimming Pool Spa Chlorine Water Testing Test Kit $13.95 Was $21.97

Now$1395
current price Now $13.95, Was $21.97$21.97
HydroTools 8420 Deluxe Two Way Swimming Pool Spa Chlorine Water Testing Test Kit
434.5 out of 5 Stars. 43 reviews
HTH Pool Care 6-Way Test Strips, The Container Holds 35 Strips that Test for Six Elements in All Pools and Spa Types, 35 Piece Count

HTH Pool Care 6-Way Test Strips, The Container Holds 35 Strips that Test for Six Elements in All Pools and Spa Types, 35 Piece Count
4284.4 out of 5 Stars. 428 reviews
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OTVIAP pH and Water Quality Test Kit, 100 Piece Pack $6.40 Was $7.96

Now$640
current price Now $6.40, Was $7.96$7.96
OTVIAP pH and Water Quality Test Kit, 100 Piece Pack
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Portable pH Chlorine Water Quality Test Kit | Pool Spa Hot Tub Water Tester | Dual Indicator Color Comparator | Includes Phenol Red & OTO Reagents 20mL Each | Compact Storage Box | Easy Carry Design Was $8.75

Portable pH Chlorine Water Quality Test Kit | Pool Spa Hot Tub Water Tester | Dual Indicator Color Comparator | Includes Phenol Red & OTO Reagents 20mL Each | Compact Storage Box | Easy Carry Design
Water Testing Kits for Drinking Water: 50 Strips 3 in 1 Well and Drinking Water Test Kit, Water Test, pH, free chlorine and total alkalinity $12.64

$1264
current price $12.64Water Testing Kits for Drinking Water: 50 Strips 3 in 1 Well and Drinking Water Test Kit, Water Test, pH, free chlorine and total alkalinity
Clorox Pool&Spa Salt Pool Test Strips for Pool Water Testing, 25 Count of Six-Way Testers and 10 Count of Salt Level Testers Was $17.54

Clorox Pool&Spa Salt Pool Test Strips for Pool Water Testing, 25 Count of Six-Way Testers and 10 Count of Salt Level Testers
1504.1 out of 5 Stars. 150 reviews
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Ana Water Hardness Test Strips 100 Count with Range 0-425 ppm for Drinking Water Tap Water and More $8.48

$848
current price $8.48Ana Water Hardness Test Strips 100 Count with Range 0-425 ppm for Drinking Water Tap Water and More
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
2084.5 out of 5 Stars. 208 reviews
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EASYTEST 7 in 1 Pool and Spa Test Strips, 150 Strips Fast and Accurate Water Quality Testing Kit for Swimming Pool and Hot tub, Strip Detects pH, Chlorine, Bromine, Total Hardness $11.99

$1199
current price $11.99EASYTEST 7 in 1 Pool and Spa Test Strips, 150 Strips Fast and Accurate Water Quality Testing Kit for Swimming Pool and Hot tub, Strip Detects pH, Chlorine, Bromine, Total Hardness
314.4 out of 5 Stars. 31 reviews
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16 in 1 Drinking Water Test Kit Strips, 100 cnt. Home Water Quality Test for Tap Water, Pool, Spa. Strips for Water Hardness, Total Chlorine, Mercury, Lead, Aluminum, Fluoride, Iron, pH and $19.99

$1999
current price $19.9916 in 1 Drinking Water Test Kit Strips, 100 cnt. Home Water Quality Test for Tap Water, Pool, Spa. Strips for Water Hardness, Total Chlorine, Mercury, Lead, Aluminum, Fluoride, Iron, pH and
193.8 out of 5 Stars. 19 reviews
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