Marine Magnesium Checker HC HI783 (Saltwater) invertabrate Cannot be overdosed

Cannot be overdosed

Max Size 7"

Males are noticeably smaller than females

These 200 Micron filter socks are used to remove small floating particles from aquarium water

Dedicated to a single parameter

Marine Magnesium Checker HC HI783 (Saltwater) invertabrate Cannot be overdosedThe testing process is the same as Alkalinity HI772 with one second liquid reagent. The 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.