CaribSea LifeRock Arches - 20 lb Box with Four 12" Rocks - Natural Aragonite for Aquascaping, Supports Coral Growth & Ideal for Marine & Reef Tanks

Item Weight: 20 Pounds Item Form: Rock Target Species: Fish Manufacturer Caribsea About this item Perfect for Aquascaping: The CaribSea LifeRock Arches set includes four 12" rocks, perfect for creating natural caves, tunnels, and arches in your aquarium. Supports Coral Growth: Made from porous aragonite, these rocks provide ideal attachment points for coral frags, encouraging healthy coral development. Enhances Biological Balance: The highly porous structure aids in natural filtration, promoting a healthy and balanced aquarium environment. Safe for Marine Tanks: pH-stable aragonite ensures these rocks won’t alter water chemistry, keeping the environment safe for fish, corals, and invertebrates. Easy to Stack & Arrange: Pre-formed arch-shaped rocks allow easy stacking and arranging to create custom aquascapes without adhesives.