SpecCheck Secondary Gel Standards Set for Monochloramine & Free Ammonia.

Monochloramine/Free Ammonia, 0-4.50 mg/L as Cl₂; 0-0.50 mg/L as NH₃-N.
Secondary standards, used to confirm consistent instrument response.
Set contains four vials filled with gels that simulate the test color at various concentrations.

*This product has not been evaluated to test for chlorine and chloramines in medical applications in the United States.