Aquarium Systems Reef Crystals salt is enriched with an extra measure of the components that have been indicated as most important for reef aquariums including: extra calcium, extra trace elements, vitamins, and a metal detoxifier. These extra measures reduce the need for constant supplements and additives to replenish essential substances quickly depleted in thriving reef aquariums. As an added benefit, you will find that Reef Crystals salt is the fastest dissolving product available.
Size: 50 gallons.