Hach StablCal Turbidity Standard can be used in all makes and models of turbidimeters and are USEPA accepted for calibration purposes. StablCal® Stabilized Formazin Turbidity Standards are true Formazin dilutions developed for use in any turbidimeter. NTU Value: 20.
Precise, Pre-mixed Formazin Solutions
Based on Formazin Primary Standards
Enhanced Stability Saves Time and Labor
Confidence in results
Hach StablCal Turbidity Standards | 20 NTU are available sizes: 100 ml, 500 ml, 1000 ml