Turbidity Standard, 20 NTU

Save time and eliminate errors - no need for dilution
All concentrations of Turbidity Standards are verified to meet tight quality control specifications, for reporting purposes and guaranteed to save you time. 
As a primary standard, Turbidity Standards can be used to calibrate or verify any turbidimeter.
EPA approved primary turbidity standard.
Long shelf life.

Turbidity Standard, 20 NTU