Aqua Natural Coarse Aragonite 20 Pound Sand For Reef Saltwater And Marine Aquariums

Create a thriving marine environment with Aqua Natural Coarse Aragonite, a premium substrate engineered for reef, saltwater, and marine aquariums. This 20-pound bag contains naturally occurring, sustainably sourced oolitic aragonite, offering an exceptional foundation for your tank. With a composition of 98% pure calcium carbonate, this substrate provides unsurpassed buffering capabilities, helping to naturally maintain a stable pH level of 8.2 without the need for constant chemical additives. Its coarse grain structure is specifically designed to resist blowing around in high-flow marine setups, ensuring your aquascape remains undisturbed. Unlike other substrates, this aragonite is phosphate-free and free from harmful tar, organics, or impurities, providing a clean and safe habitat for your aquatic life. Whether you are maintaining a delicate coral reef or a vibrant African Cichlid tank, this high-purity sand promotes a healthy ecosystem while adding essential minerals to your water column. As an authentic USA-imported product, it offers the consistency and quality required by serious aquarists to build a robust, long-lasting, and biologically active foundation for their underwater worlds.