Controlled magnesium supplementation maintains balanced water chemistry for reef health
Precise blend of sodium and potassium sulfates preserves natural NaCl seawater ratio
Added iodide supports healthy molting and soft tissue development in invertebrates
Formulated as a third component in a 1-1-1 dosing system with calcium and alkalinity
Easy dosing instructions for consistent, targeted results
Summarized by Shop
MAGNESIUM | POTASSIUM | IODINE
Hydroshock magnesium is a carefully balanced magnesium supplement formulated specifically for reef aquariums, completing the 3-part dosing system alongside Calcium and Alkalinity. Hydroshock Magnesium supplies magnesium at a controlled rate, providing 7,100 ppm magnesium at approximately 12% of the calcium d