Product Number: 2708000
For Ozone Indigo method, MR, 0-.75 mg/L as O₃ Used to confirm consistent instrument response. Set contains four vials filled with gels that simulate the test color at various concentrations.
Check instrument response without sample or reagent preparation.
Colored gels are stable - assuring consistent performance
*when applicable
Phase Out
Items with this label are at the end of their life cycle and may become obsolete in the future.
Obsolete
Items with this label are obsolete and unavailable through eCommerce.
If applicable, please view Replacement Product above or contact Hach Customer Service for further assistance.