Following a fertiliser explosion at Highlands Farm on 24 July 2026, Coral Passion has stopped trading from the site. Our insurance claim with MSIG Europe is still ongoing, but despite our efforts it does not look promising, and the future of the business is uncertain. Thank you to everyone who has supported us. I am still available & working on aquarium installations and maintenance. For more information, please contact tony@coralpassion.co.uk.


HI-772-26 Seawater/Marine Alkalinity (dKH) colorimetric method Reagents for 25 tests available at Coral Passion in Essex

HI-772-26 Seawater/Marine alkalinity (dKH), colorimetric method, Reagents for 25 tests

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The HI-772-26 are the replacement reagents for the Seawater/Marine Alkalinity (dKH) Checker® HC – HI-772. These high-quality reagents are clearly marked with the lot number and expiry date on each packet for traceability.

 

The HI-772-26 are high-quality, pre-measured reagents that allow users to achieve fast and accurate measurements with their Marine Alkalinity Checker® HC. These reagents follow the Colorimetric Method in which the reaction causes a distinctive range of colours from yellow to green to blue to develop. By simply adding the solution of HI-772-26 to the sample, the reaction will take place and the Marine Alkalinity Checkers will determine the concentration from the colour that is produced. The results will be displayed in dKH for the HI-772 Checker .

These reagents are designed to be used with samples that have an expected range of 0.0 to 20.0 dKH.

 

Further information can be found on Hanna's website: Click here

 

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