The new, easy way to add balanced calcium, carbonate buffer, and essential trace elements like strontium, magnesium, barium to your marine or hard water aquarium. AragaMilk uses the power of natural aragonite for flash mineralization, plus to boost of magnesium to aid in coraline algae growth. No two parts to mix, no risk of oversdose. AragaMILK is safe, easy, and effective.