Hanna HI772 Marine Alkalinity dKH Checker Additional Reagent:No It contains four essential granules

It contains four essential granules (proteins

synergistic blend of aldehydes

Brilliant Colors

1x Flipper EDGE Standard 2-in-1 Aquarium Magnet Cleaner

Don’t just put rocks in your tank

Hanna HI772 Marine Alkalinity dKH Checker Additional Reagent:No It contains four essential granulesReady stock, ships in 1 2 days. Comes with reagent for 25 tests! The Hanna Alkalinity checker is an awesome little tool that now will give results in DKH values that are much more common in the aquarium hobby. It will also give you accurate easy to read results with the large LCD display. We like the repeatable results and ability to purchase replacement reagents when needed. The biggest key with Hanna checkers is keeping the vials nice and clean for