Hanna HI-758-26 Reagents for HI-758 Marine Calcium Checker (25 tests) Community then pour evenly around the

then pour evenly around the pond

Must not be purchased alongside rock hermits or Halloween hermits unless you have separate tanks

The combination of highly effective biological filtering with Hel-X and mechanical/biological cleaning with filter sponges ensures healthy and clear aquarium water

Testing your aquarium water has never been so easy or accurate

Add 1 scoop for every 200 litres

Hanna HI-758-26 Reagents for HI-758 Marine Calcium Checker (25 tests) Community then pour evenly around theThese reagents follow the Zincon Method in which the reaction causes a blue tint in the sample. The HI 758 26 are high quality reagents that are pre measured, allowing for users to achieve fast and accurate measurements with their Marine Calcium Checker HC. These reagents follow the Zincon Method in which the reaction causes a blue tint in the sample. By simply adding 1 mL of the first reagent to the sample, followed by a packet of the second reagent