Calibration and cleaning solutions for freshwater aquarium

Checker® HC – HI755-11 Seawater Alkalinity Photometer Calibration Solutions provide a simple solution to validate the Checker® HC – HI755 Seawater Alkalinity Photometer which has a range of 0 to 300ppm CaCO3. This high-quality set of standards is manufactured in our state-of-the-art facilities and comes complete with a Certificate of Analysis. The Certificate of Analysis provides the lot number, reference values and expiry date for traceability when certifying the Checker®HC photometer.

Checker® HC – HI758-11 Marine Calcium Calibration Solutions provide a simple solution to validate the Marine Calcium Checker® HC – HI758 which has a calcium range of 200-600 ppm. This high-quality set of standards is manufactured in our state-of-the-art facilities and comes complete with a Certificate of Analysis. The Certificate of Analysis indicates the batch number, reference values and expiry date for traceability when certifying the Checker®HC.

Seawater Nitrate Standard Solutions – HI781-11 provides a simple solution for checking the HI781 Seawater Nitrate Checker .

This high-quality set of standards is manufactured in our state-of-the-art facilities and comes complete with a Certificate of Analysis. The Certificate of Analysis provides the lot number, reference values and expiry date to ensure traceability when certifying the Checker®HC® Mini Photometer.

Pre-order, available end of November.

Hanna Instruments Cal Check standard solutions , for nitrates, 0.0 and 15.0 mg/L .

Standard solution for HI783 mini seawater photometer . Provides a simple solution to verify the accuracy of measurements from the HI783 photometer.

This high-quality standards set is manufactured in our state-of-the-art facilities and comes with a certificate of analysis. The certificate of analysis provides the batch number, reference values, and expiration date to ensure traceability during the certification of the Checker®HC® Mini Photometer.

Standard solution for the HI784 mini ammonia photometer . Provides a simple solution for verifying the accuracy of measurements from the HI784 photometer.

This high-quality standards set is manufactured in our state-of-the-art facilities and comes with a certificate of analysis. The certificate of analysis provides the batch number, reference values, and expiration date to ensure traceability during the certification of the Checker®HC® Mini Photometer.