Click here to shop all reef! Reef Saver Rock - Premium Hardscape for Saltwater Aquariums Reef Saver Rock by Marco Rocks is a saltwater hobbyist trusted pick. These rocks are crafted by nature and are 100% natural calcium carbonate sourced from ancient, fossilized reef formations. Reef Saver Rock is free of chemicals, additives, and dyes allowing the rocks to stand apart in quality, sustainability, and performance. Each piece is carefully selected based on color, high porosity and structural integrity. Create a solid foundation for reef-building and aquascaping your next saltwater aquarium.Each rock goes through a proprietary cleaning process that is free from chemicals, ensuring each piece is ready for use. Marco Rocks is an environmentally conscious and aquarium hobbyist trusted brand! What we like about MarcoRocks Reef Saver Rocks Reef Safety: Reef Saver Rocks feature no chemical treatments and are pest-free and reef safe. Enjoy an eco-friendly and sustainable choice. MarcoRocks are never harvested from live reefs. High-Quality: Reef Saver Rocks are ultra-porous and support biological filtration. Each rock is chosen based on shape and natural color, providing the best foundation for a beautiful aquascape. How many pounds do I need?We advise 2 x Tank volume in gallons = Total amount of pounds required
