#checker

Newly Updated HIREEF- Reef Professional Kit- $230 https://hannainst.com/reef-professional-kit.html Our Reef Professional Kit includes our most popular aquarium analytical instrumentation. Conveniently sold as a kit to ensure you have everything you need to test with confidence. Contents...

8 Best Practices for Using Your Hanna Marine Checker Testing the levels with your Checker – like alkalinity, calcium, nitrite and more – may seem to be a cut-and-dry process, but there are a lot of small things that can happen during testing which negatively impact your results. Follow these...