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Swimming Pool Digital Water Quality Monitor PH/CL2 Chlorine Tester with Probe

Swimming Pool Digital Water Quality Monitor PH/CL2 Chlorine Tester with Probe

$33.99$17.00

200/100/50pcs Chlorine Dip Test Strips SPA Hot Tub Swimming Pool PH Tester Paper

200/100/50pcs Chlorine Dip Test Strips SPA Hot Tub Swimming Pool PH Tester Paper

$5.87$2.94

For Salt Water Pool SALT-3050 IP65 Meter Digital Salinity PPM Temperature Tester

For Salt Water Pool SALT-3050 IP65 Meter Digital Salinity PPM Temperature Tester

$24.49$12.24

50 / bottle Ph Chlorine Test Kit Swimming Pool Water Quality Test Paper 6 in 1

50 / bottle Ph Chlorine Test Kit Swimming Pool Water Quality Test Paper 6 in 1

$9.00$4.50

6 In 1 50pcs Water Test Strips Swimming Pool Test Strips CA Testing F2R3 Hot

6 In 1 50pcs Water Test Strips Swimming Pool Test Strips CA Testing F2R3 Hot

$2.40$1.20

Taylor Chlorine Test Strips for Free Chlorine, pH, Alkalinity, CYA (50/bottle)

Taylor Chlorine Test Strips for Free Chlorine, pH, Alkalinity, CYA (50/bottle)

$11.39$5.70

AquaChek® 511242 Chlorine 4-IN-1 Swimming Pool and Spa Test Strips - 50 Pack

AquaChek® 511242 Chlorine 4-IN-1 Swimming Pool and Spa Test Strips - 50 Pack

$12.96$6.48

Swimming Pool Spa Test Kit Refill Solutions, Chlorine OTO, pH Phenol Red Bromine

Swimming Pool Spa Test Kit Refill Solutions, Chlorine OTO, pH Phenol Red Bromine

$9.99$5.00

Taylor Technologies, R-0002-C No.2 Reagent DPD Liquid for Swimming Pool, 2-Ounce

Taylor Technologies, R-0002-C No.2 Reagent DPD Liquid for Swimming Pool, 2-Ounce

$25.50$12.75

LaMotte Insta-Test Copper & Iron Metals Test Strip Kit for Swimming Pools 2994

LaMotte Insta-Test Copper & Iron Metals Test Strip Kit for Swimming Pools 2994

$14.94$7.47

lupo 8 in 1 Pool & Spa Test Strips Kit 125 Accurate Test Strips Exp 01/2025.

lupo 8 in 1 Pool & Spa Test Strips Kit 125 Accurate Test Strips Exp 01/2025.

$10.50$5.25

Solaxx MET20A SafeDip 6 in 1 Swimming Pool Chemistry Digital Tester

Solaxx MET20A SafeDip 6 in 1 Swimming Pool Chemistry Digital Tester

$125.00$62.50

SENSOREX S653/25/BNC Waterproof Cable Assembly,CPVC,BNC 16Z018

SENSOREX S653/25/BNC Waterproof Cable Assembly,CPVC,BNC 16Z018

$134.68$67.34

50-200pcs PH Total Alkalinity Test Swimming Pool Water Hot Tub PH Tester Paper

50-200pcs PH Total Alkalinity Test Swimming Pool Water Hot Tub PH Tester Paper

$11.91$5.96

Spa Poppit Peroxsil 4 in 1 Pool & Spa Test Strips Peroxide PH Alkalinity TH Test

Spa Poppit Peroxsil 4 in 1 Pool & Spa Test Strips Peroxide PH Alkalinity TH Test

$34.15$17.07

50/100/200X Chlorine Dip Test Strips Hot Tub SPA Swimming Pool PH Tester Paper

50/100/200X Chlorine Dip Test Strips Hot Tub SPA Swimming Pool PH Tester Paper

$6.26$3.13

Pool Test Strips, 3-In-1, 50 Strips for Pool, Hot Tub, Spa Water Testing

Pool Test Strips, 3-In-1, 50 Strips for Pool, Hot Tub, Spa Water Testing

$11.09$5.54

Clorox Pool Spa 50 Multi-Use Smart Strips Swimming Pool Water Testing

Clorox Pool Spa 50 Multi-Use Smart Strips Swimming Pool Water Testing

$13.98$6.99

eSeasongear SALT-3050 Waterproof Salinity NaCl Salt Meter Tester for Pool & Pond

eSeasongear SALT-3050 Waterproof Salinity NaCl Salt Meter Tester for Pool & Pond

$21.94$10.97

Taylor Cyanuric Acid Reagent 1 Gallon TAYLOR TECHNOLOGIES INC (R-0013-G)

Taylor Cyanuric Acid Reagent 1 Gallon TAYLOR TECHNOLOGIES INC (R-0013-G)

$42.99$21.50

AquaChek 661454 Swimming Pool Copper Test Kit - 25 Pack Bottle

AquaChek 661454 Swimming Pool Copper Test Kit - 25 Pack Bottle

$14.92$7.46

AquaChek Pool & Spa Digital Test Strip Reader

AquaChek Pool & Spa Digital Test Strip Reader

$16.79$8.39

35-PACK HTH 6-WAY SWIMMING POOL WATER TEST STRIPS FOR CHLORINE/ BROMINE/ SALT

35-PACK HTH 6-WAY SWIMMING POOL WATER TEST STRIPS FOR CHLORINE/ BROMINE/ SALT

$12.40$6.20

HTH 6-Way Swimming Pool Water Test Strips pH/bromine/hardness/CYA, 35 Strips

HTH 6-Way Swimming Pool Water Test Strips pH/bromine/hardness/CYA, 35 Strips

$10.00$5.00

Jack's Magic The Purple Stuff For Swimming Pools - 1 QT Bottle - Choose Quantity

Jack's Magic The Purple Stuff For Swimming Pools - 1 QT Bottle - Choose Quantity

$36.97$18.48

Water ID Water Tester Home addition (formerly PoolLab 1.0)

Water ID Water Tester Home addition (formerly PoolLab 1.0)

$145.00$72.50

pH Test Strips Indicator Litmus Paper Aquarium Pond Pool Test Strips

pH Test Strips Indicator Litmus Paper Aquarium Pond Pool Test Strips

$3.11$1.55

LaMotte 203 Ser.Chlorine/Bromine Pool Test 4329-d PACK OF 10 TEST Spin Disk 5/24

LaMotte 203 Ser.Chlorine/Bromine Pool Test 4329-d PACK OF 10 TEST Spin Disk 5/24

$10.00$5.00

TECHNOLOGIES INC K-1106 TEST KIT PHOSPHATE

TECHNOLOGIES INC K-1106 TEST KIT PHOSPHATE

$62.38$31.19

17 in 1 Complete Drinking Water Test Kit - 100 Strips + 2 Bacteria Tester

17 in 1 Complete Drinking Water Test Kit - 100 Strips + 2 Bacteria Tester

$21.90$10.95

Water Quality PH/CL2 Chlorine Tester Level Meter For Swimming Pool Spa Hot Tubs

Water Quality PH/CL2 Chlorine Tester Level Meter For Swimming Pool Spa Hot Tubs

$33.99$17.00

Taylor K-2105 Complete Testing Kit

Taylor K-2105 Complete Testing Kit

$59.99$30.00

SALT-3050 Waterproof Salinity NaCl Salt Meter Tester for Saltwater Pool Koi Pond

SALT-3050 Waterproof Salinity NaCl Salt Meter Tester for Saltwater Pool Koi Pond

$24.39$12.20

Taylor K-2006 Complete Swimming Pool/Spa Test Kit

Taylor K-2006 Complete Swimming Pool/Spa Test Kit

$82.80$41.40

Taylor Tech R-0007 Thiosulfate N/10 Reagent Pool Test Drops .75oz/22mL btl. NEW

Taylor Tech R-0007 Thiosulfate N/10 Reagent Pool Test Drops .75oz/22mL btl. NEW

$8.99$4.50

Poolmaster 22211 Smart Test 4-Way Pool and Spa Test Strips - 50Ct

Poolmaster 22211 Smart Test 4-Way Pool and Spa Test Strips - 50Ct

$7.45$3.73

LaMotte 6903A Instrument Grade TesTabs - 100Tablets

LaMotte 6903A Instrument Grade TesTabs - 100Tablets

$24.95$12.47

HTH Pool Care 6-Way Test Kit for Swimming Pools, 100 Tests

HTH Pool Care 6-Way Test Kit for Swimming Pools, 100 Tests

$20.00$10.00

Sturdy CL2 Chlorine PH Tester For Ideal Swimming Pool And Spa Water High Quality

Sturdy CL2 Chlorine PH Tester For Ideal Swimming Pool And Spa Water High Quality

$15.97$7.99

3 IN 1 Chlorine Dip Test Strips Hot Tub SPA Swimming Pool PH Tester Paper Bottle

3 IN 1 Chlorine Dip Test Strips Hot Tub SPA Swimming Pool PH Tester Paper Bottle

$6.26$3.13

2 Pack Aqua Check White Salt Water Test Strips Pool 20 Count for Salt Exp 4/23

2 Pack Aqua Check White Salt Water Test Strips Pool 20 Count for Salt Exp 4/23

$11.67$5.83

Taylor K-1004 Safety Plus Swimming Pool Chlorine Bromine pH Alkalinity Test Kit

Taylor K-1004 Safety Plus Swimming Pool Chlorine Bromine pH Alkalinity Test Kit

$35.99$18.00

Clorox Pool & Spa Refill Solutions 3 Way Test Kit PH Chlorine Bromine BRAND NEW

Clorox Pool & Spa Refill Solutions 3 Way Test Kit PH Chlorine Bromine BRAND NEW

$2.99$1.50

Hot Spring Freshwater Portable Spa Test Strips

Hot Spring Freshwater Portable Spa Test Strips

$28.99$14.49

AquaChek Red 4-1 Bromine Test Strips Pool & Spa Hot Tub PH Alkalinity 50 ct

AquaChek Red 4-1 Bromine Test Strips Pool & Spa Hot Tub PH Alkalinity 50 ct

$8.99$4.50

EcO Start Salt + Connect - Smart Water Monitor - Pools, Hot Tubs, New Sealed

EcO Start Salt + Connect - Smart Water Monitor - Pools, Hot Tubs, New Sealed

$184.99$92.50

pHin Water Monitor for Pools and Hot Tubs With Sensor Complete

pHin Water Monitor for Pools and Hot Tubs With Sensor Complete

$52.95$26.48

Drinking Water Test Kit Strips, 100 cnt. 16 in 1 Home Water Quality Test for Tap

Drinking Water Test Kit Strips, 100 cnt. 16 in 1 Home Water Quality Test for Tap

$13.33$6.67

Horizon Ventures HV-SB2PK The ScumBall For Hot Tubs & Spas - 2 Pack

Horizon Ventures HV-SB2PK The ScumBall For Hot Tubs & Spas - 2 Pack

$17.92$8.96

Poolmaster Poolstyle CHLORINE NEUTRALIZER TEST KIT SOLUTION REAGENT #4 1/2 OZ

Poolmaster Poolstyle CHLORINE NEUTRALIZER TEST KIT SOLUTION REAGENT #4 1/2 OZ

$9.45$4.72

Taylor Technologies R-0009-C -12N 2 Ounce

Taylor Technologies R-0009-C -12N 2 Ounce

$19.99$9.99

AquaChek Total Bromine indoor Hot Tub & Spa Test Strips - Choose Your Quantity

AquaChek Total Bromine indoor Hot Tub & Spa Test Strips - Choose Your Quantity

$15.95$7.97

Easytest Pool & Spa Test Strips - 7 in 1 Chemical Testing - 150 strips- Exp 4/27

Easytest Pool & Spa Test Strips - 7 in 1 Chemical Testing - 150 strips- Exp 4/27

$11.95$5.97

Hach Aquachek PRO - 5 Way Test Strips - 100 Count -Pool Spa Hot Tub Water 511710

Hach Aquachek PRO - 5 Way Test Strips - 100 Count -Pool Spa Hot Tub Water 511710

$16.99$8.49

**5 PACK** Poolmaster Poolstyle #4 CHLORINE NEUTRALIZER SOLUTION REAGENT 1/2 OZ

**5 PACK** Poolmaster Poolstyle #4 CHLORINE NEUTRALIZER SOLUTION REAGENT 1/2 OZ

$19.95$9.97

New Taylor Pool K-2006 Salt Complete (High)Test Kit FAS-DPD Chlorine

New Taylor Pool K-2006 Salt Complete (High)Test Kit FAS-DPD Chlorine

$89.00$44.50

Hth 52044 Swimming Pool Shock Advanced And Test Strips 1 Pound (Pack Of 15)

Hth 52044 Swimming Pool Shock Advanced And Test Strips 1 Pound (Pack Of 15)

$99.95$49.98

50pcs 3/6IN1 Chlorine Dip Test Strips Hot Tub SPA Swimming Pool PH Tester Paper

50pcs 3/6IN1 Chlorine Dip Test Strips Hot Tub SPA Swimming Pool PH Tester Paper

$6.56$3.28

4in1 Aussie Gold Pool Test Kit Refill - Solutions 2 3 4 5 & 50 DPD1 Tablets

4in1 Aussie Gold Pool Test Kit Refill - Solutions 2 3 4 5 & 50 DPD1 Tablets

$12.41$6.21

Chlorine Test Strips for Restaurants and Food Service 100ct Exp 02/26 Free Ship

Chlorine Test Strips for Restaurants and Food Service 100ct Exp 02/26 Free Ship

$10.99$5.50

Water Hardness Test Fast & Accurate Hard Water Testing Strips Bottle

Water Hardness Test Fast & Accurate Hard Water Testing Strips Bottle

$3.78$1.89

Rx Clear 7 in 1 Swimming Pool & Spa Chemical Test Strips - 50 Count

Rx Clear 7 in 1 Swimming Pool & Spa Chemical Test Strips - 50 Count

$11.99$6.00

Ultima Nano-Phos Phosphate Remover 27832 (4 Pack)

Ultima Nano-Phos Phosphate Remover 27832 (4 Pack)

$54.99$27.50

Water Total Calcium Hardness Pool Test Kit Pentair R151276

Water Total Calcium Hardness Pool Test Kit Pentair R151276

$24.99$12.49

Dr. Tim Wang Pool and Hot Tub Test Strips Medical Grade Precision 4 in 1

Dr. Tim Wang Pool and Hot Tub Test Strips Medical Grade Precision 4 in 1

$10.95$5.47

THIOSULFATE N/10 REAGENT, 2 OZ (TAYLOR - R-0007-C) NEW

THIOSULFATE N/10 REAGENT, 2 OZ (TAYLOR - R-0007-C) NEW

$13.31$6.66

Lamotte Insta Test 4 Plus 5 Pack Free Chlorine, Bromine, Alkalinity, pH, & More

Lamotte Insta Test 4 Plus 5 Pack Free Chlorine, Bromine, Alkalinity, pH, & More

$27.07$13.54

16 In 1 Drinking Water Test Kits Strips Home Water Quality Supplies Test A1H1

16 In 1 Drinking Water Test Kits Strips Home Water Quality Supplies Test A1H1

$7.65$3.83

Swimming Pool Saltwater Test Strips Above Ground Pool Sodium Chloride 10 Strips

Swimming Pool Saltwater Test Strips Above Ground Pool Sodium Chloride 10 Strips

$15.95$7.97

Taylor Test Case for K-2005-C/2006-C - 60 mL (2oz) Bottles - Plastic 7120

Taylor Test Case for K-2005-C/2006-C - 60 mL (2oz) Bottles - Plastic 7120

$59.99$30.00

Water Quality Test Kits 16 In 1 Drink Water Test Strips Water Testing Kit 100pcs

Water Quality Test Kits 16 In 1 Drink Water Test Strips Water Testing Kit 100pcs

$12.34$6.17

HTH Pool Care 6-Way Test Kit for Swimming Pools, 100 Tests

HTH Pool Care 6-Way Test Kit for Swimming Pools, 100 Tests

$18.89$9.45

Taylor Pool Care DPD Reagents, pH Indicator Solutions New A-3-A

Taylor Pool Care DPD Reagents, pH Indicator Solutions New A-3-A

$14.99$7.50

ProLab Drinking Water Test Kit for Home Tap and Well Water - Easy to Use Test

ProLab Drinking Water Test Kit for Home Tap and Well Water - Easy to Use Test

$37.47$18.73

2 Pack AquaChek 511710 5-Way 100 Count Pool Water Test Strips- 200 Total Strips

2 Pack AquaChek 511710 5-Way 100 Count Pool Water Test Strips- 200 Total Strips

$27.50$13.75

CLOROX Pool & Spa 6 Way 50 Test Strips Poolside/Online Use Free Water Analysis

CLOROX Pool & Spa 6 Way 50 Test Strips Poolside/Online Use Free Water Analysis

$13.19$6.59

6 In 1 50pcs Water Test Strips Swimming Pool Test Strips CA Testing F2R3 K3T5

6 In 1 50pcs Water Test Strips Swimming Pool Test Strips CA Testing F2R3 K3T5

$2.40$1.20

100 STRIPS CHLORINE TEST PAPER STRIPS FRANKLIN MACHINE PRODUCTS RESTAURANTS 5/25

100 STRIPS CHLORINE TEST PAPER STRIPS FRANKLIN MACHINE PRODUCTS RESTAURANTS 5/25

$8.99$4.50

6 Pack Taylor K-1000 Basic OTO Chlorine,Bromine, & pH Pool Test Kit w/ Reagents

6 Pack Taylor K-1000 Basic OTO Chlorine,Bromine, & pH Pool Test Kit w/ Reagents

$66.40$33.20

AquaChek 661454 Swimming Pool Copper Test Kit - 25 Pack Bottle

AquaChek 661454 Swimming Pool Copper Test Kit - 25 Pack Bottle

$14.92$7.46

1PCS Water Hardness Tester Digital Instant Reading Water Quality Tester Range

1PCS Water Hardness Tester Digital Instant Reading Water Quality Tester Range

$10.99$5.50

** 5 PACK** Poolmaster Poolstyle #5 ALKALINITY TEST KIT SOLUTION REAGENT 1/2 OZ

** 5 PACK** Poolmaster Poolstyle #5 ALKALINITY TEST KIT SOLUTION REAGENT 1/2 OZ

$18.75$9.38

EASYTEST 7-Way Pool Test Strips 150×2 Strips Water Chemical Testing for Hot tub

EASYTEST 7-Way Pool Test Strips 150×2 Strips Water Chemical Testing for Hot tub

$13.29$6.64

PoolLab 1.0 Swimming Pool Photometer Chemical Test Kit with Bluetooth

PoolLab 1.0 Swimming Pool Photometer Chemical Test Kit with Bluetooth

$179.99$90.00

AquaChek Select Connect Kit Refill Test Strips

AquaChek Select Connect Kit Refill Test Strips

$11.99$6.00

AquaChek Orange 561682 Swimming Pool & Spa Monopersulfate Test Strips 50 Strips

AquaChek Orange 561682 Swimming Pool & Spa Monopersulfate Test Strips 50 Strips

$8.95$4.47

Leisure Time Bromine/Chlorine Test Strips Spa/Hot Tub 50 Strips | 45006A 2 Pack

Leisure Time Bromine/Chlorine Test Strips Spa/Hot Tub 50 Strips | 45006A 2 Pack

$21.99$10.99

Varify.Complete Water Test Kit.17 in 1.100 Test Strips+2Bacteria Tests.Exp.2026.

Varify.Complete Water Test Kit.17 in 1.100 Test Strips+2Bacteria Tests.Exp.2026.

$19.99$9.99

Taylor Technologies DPD Deluxe Pool Test Kit 18547

Taylor Technologies DPD Deluxe Pool Test Kit 18547

$29.99$14.99

LaMotte Insta-TEST PRO 600 Plus Test Strips, 100-Count (LES-3028-J-6)

LaMotte Insta-TEST PRO 600 Plus Test Strips, 100-Count (LES-3028-J-6)

$21.86$10.93

PoolChem VUE Block Deluxe Dual Chlorine & pH Level Test Kit for Pool Spa Hot Tub

PoolChem VUE Block Deluxe Dual Chlorine & pH Level Test Kit for Pool Spa Hot Tub

$18.94$9.47

Paramount Paralevel Original Start-Up Kit (004-760-2921-00)

Paramount Paralevel Original Start-Up Kit (004-760-2921-00)

$69.99$34.99

AquaChek 561683 Pool Spa TDS Total Dissolved Solids Test Kit, 25 Test Strips

AquaChek 561683 Pool Spa TDS Total Dissolved Solids Test Kit, 25 Test Strips

$18.95$9.47

LaMotte Liquid Reagent 7037-G 1 oz 2 Pack pH Indicator for Swimming Pools & Spas

LaMotte Liquid Reagent 7037-G 1 oz 2 Pack pH Indicator for Swimming Pools & Spas

$16.57$8.29

6IN1 Chlorine Dip Pool Test Strips Hot Tub SPA Swimming PH Tester Paper Bottle

6IN1 Chlorine Dip Pool Test Strips Hot Tub SPA Swimming PH Tester Paper Bottle

$6.99$3.50

Ciztada LD-203 Salinity Tester For Salt Water & API 5-IN-1 Aquarium Test Strips

Ciztada LD-203 Salinity Tester For Salt Water & API 5-IN-1 Aquarium Test Strips

$25.00$12.50

Clario 24 in 1 Water Testing Kits for Drinking Water - Lead, Chlorine 6/2026

Clario 24 in 1 Water Testing Kits for Drinking Water - Lead, Chlorine 6/2026

$15.99$8.00

Rx Clear Swimming Pool & Spa Salt Chemical Test Strips - 20 Count

Rx Clear Swimming Pool & Spa Salt Chemical Test Strips - 20 Count

$8.92$4.46

Swimming Pool Testing Kit Swimming Pool Water Test Kits Test Chlorine Ph Value

Swimming Pool Testing Kit Swimming Pool Water Test Kits Test Chlorine Ph Value

$7.45$3.73

(2 Pack) - Jack's Magic The Blue Stuff Prevents Stain & Scale For Swimming Pools

(2 Pack) - Jack's Magic The Blue Stuff Prevents Stain & Scale For Swimming Pools

$79.92$39.96