Hanna HI-758-26 Reagents for HI-758 Marine Calcium Checker (25 tests) Community Add 1 scoop for every

Add 1 scoop for every 200 litres

then pour evenly around the pond

Testing your aquarium water has never been so easy or accurate

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Hanna HI-758-26 Reagents for HI-758 Marine Calcium Checker (25 tests) Community Add 1 scoop for everyThese 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