HANNA MARINE MAGNESIUM CHECKER fan Aeration also helps maintain water

Aeration also helps maintain water quality and improve the performance of your filtration system

4 Aquarium Suction Cups

The kit includes highly flexible

The shoulders have twill tape for improved durability

Chemical test kits have limited accuracy and resolution since they rely upon the human eye to discern differences in color

HANNA MARINE MAGNESIUM CHECKER fan Aeration also helps maintain waterThe HI783 Marine Magnesium Checker HC is a handheld colorimeter that uses the Beer Lambert principle to determine the concentration of magnesium colorimetrically. The HI783 is designed specifically to measure magnesium levels in a saltwater aquarium or in marine biology applications. The 1000 to 1800 ppm range is ideal for coral fish or fish only aquarium maintenance. Ideal for aquariums and marine biology Easier to use and more accurate than chemical