CaribSea Coraline Caribbean Aquarium Gravel

Provide a healthy base for your marine tank with CaribSea Coraline Caribbean Aquarium Crushed Coral. This premium substrate is made with Florida crushed coral and helps your aquarium maintain a pH balance of 8.2 without the use of chemicals. It promotes healthy coral growth and works as a long-lasting buffer to help maintain water alkalinity. Plus, this substrate helps reduce unsightly algae growth to keep your water looking crystal clear. This is also great for use with aquatic amphibians and invertebrates.