All products

Pool Water Test Kits

Drop test kits and digital testers for chlorine, pH, alkalinity, hardness and stabilizer. Reagents age, so replace them each season.

Free shipping
Secure checkout
Easy returns

Terronix

Terronix 7-in-1 Digital Water Tester – Chlorine, pH, Salt, ORP, EC, TDS & Temp Meter for Pools, Spas & Hydroponics

$126.89

Free shipping · 30-day easy returns

AquaDoc Eagle Ray digital analyzer display shows precise spa readings.

Sold out

MAV AquaDoc

Eagle Ray Digital Spa Water Test Kit by AquaDoc — Digital Tester + 30 Strips

$241.35

Free shipping · 30-day easy returns

LaMotte

LaMotte 4329-H Chlorine/Bromine Plus Phosphate Disk for Spin Lab – Pack of 50

$205.06

Free shipping · 30-day easy returns

Taylor K-2005C high-range reagents bottle for quick, accurate pool and spa testing.

Taylor Technologies, Inc.

Taylor Complete Pool & Spa Test Kit K-2005C High Range – 2 oz Reagents

$150.93

Free shipping · 30-day easy returns

LaMotte

LaMotte ColorQ 2x Pro 7 (2086) – Waterproof Bluetooth Pool & Spa Photometer

$297.72

Free shipping · 30-day easy returns

Sold out

WaterGuru

WaterGuru Sense S2 Smart Pool Monitor – Wi-Fi Pool Water Tester for pH, Chlorine, CYA & Alkalinity (C5 Cassette Included)

$479.72

Free shipping · 30-day easy returns

LaMotte

LaMotte R-2056 Color-Q Pro 7 Reagent Refill Kit for Pool Testing

$83.80

Free shipping · 30-day easy returns

Hofun

Hofun 5-in-1 Pool Salt Tester & pH Meter: Salinity, TDS, EC, Temp for Pools & Aquariums

$52.30

Free shipping · 30-day easy returns

Taylor

Taylor K-1766 Salt Water Kit | Accurate Salt Testing for Pools & Spas

$57.32

Free shipping · 30-day easy returns

Taylor

Taylor K-1005 DPD 9-Way Pool Test Kit – Free & Total Chlorine, Bromine, pH, Alkalinity, Calcium, CYA | Made in USA

$63.65

Free shipping · 30-day easy returns

GIDIGI

GIDIGI 7-in-1 Digital Water Tester – Pool, Spa & Drinking Water (pH, FAC, ORP, Salt, EC, TDS, Temp) with Backlit Display

$45.46

Free shipping · 30-day easy returns

FUNSWT Coliform Test Kit front view for home water safety testing

FUNSWTM

FUNSWT Coliform Water Test Kit - 12-Pack for At-Home Water Quality Testing

$56.41

Free shipping · 30-day easy returns

T TESTRUST

T TESTRUST Pool Salt Tester 5-in-1: Salinity, pH, TDS, EC & Temperature

$42.72

Free shipping · 30-day easy returns

HTH 6-Way Test Kit compact case for quick pool water checks.

HTH

HTH 6-Way Test Kit for Pools – 100 Tests | Water Chemistry Tester

$35.18

Free shipping · 30-day easy returns

Taylor

Taylor R-0871-E FAS-DPD Titrating Reagent, 16 oz – Chlorine Titration by Taylor

$55.04

Free shipping · 30-day easy returns

Poolmaster

Poolmaster 22260 5-Way Water Chemistry Test Kit with Case – Essential Collection

$28.70

Free shipping · 30-day easy returns

Taylor Technologies

Taylor Technologies Pint Size Reagent #12 for Calcium Hardness Testing – 16 oz

$40.32

Free shipping · 30-day easy returns

Lupo Global

Lupo Global 6-in-1 Pool Test Kit – Quick & Accurate Home Pool & Spa Water Testing

$29.02

Free shipping · 30-day easy returns

bestprod

BestProd 20-in-1 Water Testing Kit | 120 Strips for Home & Well Water

$37.18

Free shipping · 30-day easy returns

Taylor

Taylor R0870-I DPD Powder 10g (2 Pack) – Pool Test Kit Reagents

$35.85

Free shipping · 30-day easy returns

XtremepowerUS

XtremepowerUS 5-Way Pool Test Kit – pH, Chlorine, Bromine, Alkalinity Testing with Durable Case

$34.44

Free shipping · 30-day easy returns

HM Digital

HM Digital DM-1 In-Line Dual TDS Monitor | 0-9990 ppm Range, +/- 2% Readout, Blue & White

$32.43

Free shipping · 30-day easy returns

Taylor

Taylor R-0718-A Silver Nitrate Reagent Refill for Salt Test Kits (0.75 oz)

$28.03

Free shipping · 30-day easy returns

WWD POOL

WWD POOL 2-Way Pool Water Test Kit – Chlorine & pH Test for Home Pools

$15.32

Free shipping · 30-day easy returns

LUPO 2-In-1 pool test kit case keeps supplies organized for easy home testing

Lupo Global

LUPO 2-In-1 Pool Test Kit | Quick Home Test for Free Chlorine & pH | Lupo Global

$19.43

Free shipping · 30-day easy returns

Taylor

Taylor Fas-Dpd Titrating Reagent 2 Oz – R-0871-C

$22.43

Free shipping · 30-day easy returns

TESPERT

TESPERT Drinking Water Test Strips – 125 Count, 16-in-1 Quick Screening for Hardness, pH, Iron & More

$29.02

Free shipping · 30-day easy returns

Lupo Global

Lupo 3-in-1 Pool Test Kit | Quick Home Pool & Spa Water Testing | Lupo Global

$24.91

Free shipping · 30-day easy returns

Taylor

Taylor K-1000 Basic Residential Pool & Spa Test Kit – Fast, Easy 3-Parameter Water Testing

$22.17

Free shipping · 30-day easy returns

U.S. Pool Supply

U.S. Pool Supply 5-in-1 Pool Test Kit | pH, Chlorine, Bromine, Alkalinity, Acid Demand

$29.02

Free shipping · 30-day easy returns

HOVIRAN

HOVIRAN Phosphate Test Kit for Pools & Hot Tubs — 50 Strips, Quick Colorimetric Testing

$22.17

Free shipping · 30-day easy returns

Taylor

Taylor R-0013 Cyanuric Acid Reagent (2 oz) - 2 Pack for Pool Test Kits

$20.81

Free shipping · 30-day easy returns

Lupo Global

Lupo Global East Bay 3-in-1 Pool Test Kit | At-Home Water Testing for Chlorine, Bromine & pH

$19.43

Free shipping · 30-day easy returns

Taylor

Taylor R-0011L-C Calcium Indicator Liquid Refill, 2 oz – Pool & Spa Hardness Testing, Made in USA

$20.47

Free shipping · 30-day easy returns

Craft911

Craft911 Water Tester - Drinking Water TDS Meter

$15.32

Free shipping · 30-day easy returns

Lupo 3-in-1 pool test reagents pack for at-home water testing

Lupo Global

Lupo Global 3-in-1 Pool Test Reagents Replacement Kit – 100 Tests

$15.32

Free shipping · 30-day easy returns

WWD POOL

WWD POOL Refill Test Kit — Chlorine & pH Solutions for Pools & Spas

$12.58

Free shipping · 30-day easy returns

Consfly

Consfly Water Electrolyzer – Quick Home Water Quality Tester and Purity Check

$10.95

Free shipping · 30-day easy returns

Sold out

Craft911

Craft911 Water Tester for Drinking Water - TDS Meter Instant Read

$13.95

Free shipping · 30-day easy returns

Dr.Tim.Wang

Dr.Tim.Wang Pool & Hot Tub Test Strips – Medical-Grade Precision 4-in-1 Water Test Kit

$15.32

Free shipping · 30-day easy returns

Drop test kits and digital testers for chlorine, pH, alkalinity, hardness and stabilizer. Reagents age, so replace them each season.

More in Pool Chemicals & Water Testing · all categories