Sulfide (Total Soluble) Refill Pack for CHEMets Test Kits, CHEMetrics, Pack of 30 (0.5.ml)
Bartovation Ammonia NH3 Test Strips
0-6ppm for Aquarium, Fish Tank and Pond Monitoring [Vial of 25]
Water resistant, easy to read color chart with readings at 0, 0.5, 1, 3, 6 ppm (mg/L) NH3
LW Measurements, LLC LW Measurements Class F2 Stainless Steel Calibration Test Weight (100 g)
OIML guidelines for balance and scale verification.
Industrial Test Systems eXact 484003 Cyanide ReagentStrip Test Kit
2 Minutes Test Time, 0.05-200 ppm Range (Pack of 50)
Test kit evaluates cyanide concentrations and provides cyanide colorimetric analysis in effluents and surface waters
Eujgoov PH‑107 Water Acidity Meter PH Tester Pen Digital Water Quality Tester Acidity Meter 0.0 ‑ 14.0pH
EASY STORAGE: Small size, light weight, easy to carry, mainly used to detect the pH of water.
PINPOINT by American Marine Inc. Pinpoint High-Precision pH Calibration Fluids Kit (pH Buffer Solution), 20 Piece Set
Extremely accurate and field portable
Biopharm pH Buffer Calibration Solution
1 Gallon Bottle, pH 10.00, NIST Traceable Reference Standards for All pH Meters, Color Coded Blue
Color-Coded for Easy Reference
Hayward Calibration Solution
Digital Salt Meter, 7450ppm
Calibration Solution, Hayward Digital Salt Meter, 7450ppm.
Fluke FTP-1 SureGrip Fused Test Probe Set
-20 to 50 Degree C Operating Temperature
The probe fuse does blow, these fused test probes will still allow the meter to indicate live voltage, helping to prevent a possible misreading of no voltage present
Hach Company Hach 225401 Chlorine (Total) Test Kit
Test kits containing DPD colorimetric reagents are used most often for monitoring potable water, swimming pools and waste effluent