SpecCheck Gel Secondary Standard Set, Ozone, Mid-Range

Product #: 2708000
AUD Price (Incl. GST): Contact Hach

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.

  • Fast and Convenient
  • Stable