AMCO-EPA solution @ 500 FTU (30 mL)
The HANNA® turbidity calibration solutions are produced according to the AMCO AEPA-1 standards, at 0, 10, 20 and 500 FTU.
They are preferred to the formazine based standards, as they are non-toxic, stable, reusable and long-lasting.
Order Information: AMCO-EPA solution @ 500 FTU (30 mL)
HI93703-10 AMCO-AEPA-1 Calibration Solution at 10 FTU, 30 ml 

