Hanna Magnesium (HI783) coral MIXING DIRECTIONSFor best results

MIXING DIRECTIONSFor best results

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

Use a quality refugium light for best growth

non-flammable alternative to using vodka or ethanol

Hanna Magnesium (HI783) coral MIXING DIRECTIONSFor best resultsThe 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