CaribSea Aragonite Reef Sand 18kg Marine Aquarium Substrate

CaribSea Aragonite Reef Sand is a natural marine substrate designed to create a stable and healthy environment for reef aquariums. Made from real aragonite, it helps maintain proper pH and supports biological filtration.

• Natural aragonite marine aquarium sand
• Helps stabilise pH and water chemistry
• Supports beneficial bacteria growth
• Ideal for reef and marine aquariums
• Fine texture with natural appearance
• Large 18kg bag for full tank setups

A high-quality reef substrate that promotes a clean, natural foundation for thriving marine aquariums.

Typical Size: 1.0 - 2.0mm