Reef Foundation ABC+ is a comprehensive supplement designed to maintain optimal water chemistry in reef aquariums by replenishing essential elements that are crucial for coral growth and health. It contains balanced ratios of calcium, alkalinity, and strontium, ensuring that these critical elements remain at levels conducive to thriving marine life. The product should be dosed regularly according to the specific needs of your aquarium as determined by regular testing; daily or weekly administration is recommended depending on the uptake of calcium in your tank.