Hanna Magnesium (HI783) coral Provides temporary alkalinity and helps

Provides temporary alkalinity and helps maintain pH within the desired range when used as directed

these elements are depleted quickly due to their high oxidative abilities and reactivity with organic materials

That lets you to use one vial while the other is being cleaned

Use a quality refugium light for best growth

Use this for refugiums with mostly macroalgae (including

Hanna Magnesium (HI783) coral Provides temporary alkalinity and helpsThe 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