Hanna Instruments HI 711 Checker HC Handheld Colorimeter, For Total Chlorine

$660

Hach 5870000 Pocket Colorimeter II, Chlorine (Free and Total)

$73.95

Hanna Instruments HI 718 Checker HC Handheld Colorimeter, For Iodine

$265

Hanna Instruments HI 770 Checker HC Handheld Colorimeter, For Silica High Range

$259.99

Hach Company LPV445.97.62110, DR300 Pocket Colorimeter with Box, Chlorine, Free + Total, MR

$65.99

Milwaukee MW10 Free Chlorine Mini-Colorimeter, 0.00 - 2.50 ppm, 0.01 ppm Resolution, LCD Display

$70

Hanna Instruments Checker Copper High Range Colorimeter

$660

Hach 9385100 DR 900 Multiparameter Handheld Colorimeter

$69.95

DR300 Pocket Colorimeter, Monochlor/Free Ammonia

$56.99

FROG @Ease Replacement SmartChlor Chlorine Cartridge - 3 Pack

$24.19

Extech CL207 Chlorine Calibration Standard

$43.28

Hanna Instruments HI713 Phosphate Low Range Checker® HC

$700

Extech CL200 ExStik Waterproof Chlorine Meter

$331.58

Handheld Color Analyzer Digital Precise Colorimeter WR10QC Precision Color Difference Meter Tester Portable Colorimeter with 4mm Aperture for Color Checking

$244.99

Hanna Instruments HI7004L 4.01 pH Calibration Buffer Solution, 500mL Bottle

$6.99

Hanna Instruments HI774-25 Phosphate Ultra Low Range Checker HC Reagents (25 Tests) by wwG Store

$18.99

Industrial Test Systems eXact 486670 DPD-4 Micro Total Chlorine Strips, 0.01-11 ppm Detection Range (Bottle of 100)

$9.55

ACDelco 1148963 GM Original Equipment 10-5045 Multi-Purpose Fluorescent Leak Detection Dye - 1 oz

$5.12

Hanna Instruments HI7007L 7.01 pH Calibration Buffer Solution, 500mL Bottle

$21.99

Industrial Test Systems WaterWorks 480023 Free Chlorine Test Strip, 5 Second Test Time, 0-25ppm Range (Pack of 50)

$34.73

Industrial Test Systems eXact 486633 Micro Chlorine Dioxide Strips, 0-12 ppm Detection Range (Bottle of 100)

$25.52

Fluke 714B Thermocouple Calibrator, Yellow/Brown/Black/Red

$4.75

Leakmaster YELLOWDYE8OZ Pool DYE Leak Detection, Yellow

$12.99

VINCKOLOR Mini Colorimeter, for Color Capturing, Matching, Comparing, Saving, Measure Paint and Digital Color Values Instantly,Color Analyzer with Diameter of 4mm

$183

ACDelco 1149328 GM Original Equipment 10-5046 Dex-Cool Leak Detection Tracer Dye - 1 oz

$19.99

Industrial Test Systems WaterWorks 480024 Free Chlorine Test Strip, Ultra High Range, 31 Seconds Test Time, 0-750ppm Range (Bottle of 50)

$16.88

Industrial Test Systems eXact 486638 DPD-3 Micro Combined/Total Chlorine Strips, 0.1-11.0 ppm Detection Range (Bottle of 100)

$9.19

HI772-26 HI755-26 Alkalinity Checker Reagent (25 Tests) - Hanna Instruments

$11.26

Industrial Test Systems WaterWorks 480031 Chlorine Dioxide Testing Strip, 1 Minute Test Time, 0-100ppm Range (Bottle of 50)

$12.1

Hanna Instruments Pack of 4 Phosphate Ultra Low Range Checker HC Reagents Model HI774-25

$204

BELEY 8mm Digital Precise Portable Color Analyzer Colorimeter Color Difference Meter Tester with Color Screen Display

$22

FJC 4918 Universal A/C Fluorescent Leak Detection Dye - 16 oz.

$493.85

7.5" Chlorine/Bromine Floater, Large Floating Chlorine Dispenser for Chlorine Tablets 3 inch, Optimal Pool Chlorinator with Adjustable Release for Indoor & Outdoor Swimming Pool Hot Tub Blue

$21

Hanna Instruments HI7031L 1413 µs/cm Conductivity Calibration Solution, 500mL Bottle

$11.99

Fluke 712B RTD Temperature Calibrator, Yellow/Brown/Black/Red

$183.95

Industrial Test Systems SenSafe 481026 Free Chlorine Test Strip | USEPA Approved Method D99-003 | 0-6ppm | 0.05ppm Detection | No Bleach-Out | Bottle of 50 | Drinking Water, Food Service, Restaurant

$75

ORAPXI Pool Salt Tester Free Chlorine Tester Digital Chlorine pH Tester Salt Meter for Pool 7 in 1 pH Salt Free Chlorine ORP TDS EC Pool Water Tester for Swimming Pool Hot Tub Hydroponics Aquariums

$8.99

DMG 110588 Luxatemp Fluorescence Automix Refill Kit, B1 Shade, 1 gm - 76 gm Cartridge Luxatemp Fluorescence, 15 Luxatemp Plus Mixing Tips

$227.72

Crystal Clear Lab Chlorine Dioxide Kit - 4oz HCL Solution, Precision-Drop, (2 Bottles)

$24.4

Free Chlorine Meter pH and Salinity Tester ORAPXI 7 in 1 Multi-Parameter Pool Water Tester Pool Free Chlorine pH Meter Saltwater Pool Test Kit for Swimming Pool, Hot Tub, Spas

$5.99

Industrial Test Systems WaterWorks 480124 Free Chlorine Test Strip, Ultra High II Range, 61 Seconds Test Time, 0-2000ppm Range (Bottle of 50)

$19.3

Hach 25532 Bromthymol Blue Indicator Solution, 100 mL MDB

$25

Chlorine Tester, YINMIK Pool pH Free Chlorine Meter, pH Salt Tester for Saltwater Pool and Aquarium, 7 in 1 pH Chlorine ORP Salinity EC TDS Temp Tester, Digital pH and Chlorine Tester for Hot Tub, SPA

$9.97

Taylor R-0004-A Ph Indicator Refill .75 ounce

$14.84

CIZTADA Saltwater Pool Tester Free Chlorine Meter pH and Salinity Tester 7 in 1 Free Chlorine pH Salt ORP TDS EC Temp Meter Digital Pool Water Tester pH and Free Chlorine Meter for Pool Hot Tub Spa

$105

Hanna Instruments HI7032L 1382 mg/L (ppm) TDS Calibration Solution, 500mL Bottle

$18.99

Pinpoint® Salinity Fluid for Refractometers and Salinity Monitors

$229.99

Hanna Instruments Glass Cuvettes and Caps for Checker HC Colorimeters (Set of 2)

$109.67

Chloraprep Single Swabstick, 1-3/4 Ml Part No. 260100 (48/package)

$9.93

Chloraprep Single Swabstick, 1-3/4 Ml Part No. 260100 (48/package)

$29.99

pH Buffer Calibration Solution, pH 7.00 — 1 Gallon — NIST Traceable Reference Standards for All pH Meters — Color Coded Yellow

$14.95

YINMIK 1413 μS/cm Calibration Solution, Conductivity Salt Standard Buffer Solution for 5 in 1 Salinity Tester, EC Meter, TDS Meter, 7 in 1 Multi-Parameter Tester Calibration, 4 Bottles of 50mL

$19.95

VINCKOLOR Pro Digital Pocket Colorimeter, Magnetic Design of Calibration Cover, Easy to Use Paint Plastic Color Difference Detection Tool

$149.99

Hanna Instruments HI70024P 35 PPT Salinity Calibration Solution Single Sachet

$12.99

pH Buffer Calibration Solution Kit 2-Pack — one pH 4.00 (red) and one pH 7.00 (Yellow), Each 500 mL (1.06 Pint) — NIST Traceable Reference Standards for All pH Meters

$25.99

Colorimeter Color Meter Pro Color Analyzer for iOS, Android and Windows Devices

$20.89

TAYLOR TECHNOLOGIES INC K-2006 TEST KIT COMP CHLORINE FAS-DPD

$13.38

CHEMetrics Dissolved Oxygen Water Test Kit Refill

$889.99

Hanna Instruments HI70024P 35 PPT Salinity Calibration Solution (25 Pack) Sachet

$13.19

pH Buffer Calibration Solution Kit 2-Pack — one pH 4.00 (red) and one pH 7.00 (Yellow), Each 250 mL (8.4 fl oz) — NIST Traceable Reference Standards for All pH Meters

$23