CaribSea Aragonite Florida Crushed Coral 2–5mm 40lb Bag Ecotech Marine PurpleUp™ uses a unique dual-method

PurpleUp™ uses a unique dual-method approach—recognized with a U

preventing “Old Tank Syndrome” and maintaining a balanced ecosystem in your reef tank

Their coralline-colored finish provides a mature reef appearance from day one

and a more stable reef environment

Designed for quick installation

CaribSea Aragonite Florida Crushed Coral 2–5mm 40lb Bag Ecotech Marine PurpleUp™ uses a unique dual-methodSolve chronic pH issues and enhance biological filtration with CaribSea Aragonite Florida Crushed Coral 25mm 40lb Bag, the only crushed coral substrate made entirely from true aragonite. Offering up to 25 times more buffering power than traditional crushed coral, dolomite, or oyster shell, this premium substrate helps maintain stable water chemistry while supporting a heavier bioload. With a grain size of approximately 25mm (), Florida Crushed Coral