CaribSea Arag-Alive Special Grade Live Sand 20lb – Reef Substrate

Create a stable, biologically active foundation for your reef aquarium with CaribSea Arag-Alive Special Grade Live Sand (20lb). Formulated with a broad spectrum of natural marine bacteria—plus specially selected additional strains—this premium live sand helps establish a healthy aquarium environment faster and more safely than traditional substrates.

Arag-Alive™ actively reduces dangerous ammonia levels while lowering nitrate and nitrite, supporting natural biological balance from the very start. Its ready-to-use formula shortens cycling time and minimizes stress on fish and corals, making it an excellent choice for both new aquarium setups and system upgrades.

The Special Grade Reef size (1.0–2.0mm) offers excellent water flow and stability, making it suitable for a wide range of marine applications including reef tanks, plenums, sumps, and nitrate reduction beds. Trusted by hobbyists and professionals alike, this live sand delivers dependable performance across diverse marine environments.

Key Features

• Enriched with natural marine bacteria plus specially selected strains
• Helps control ammonia and reduces nitrate and nitrite
• Speeds up aquarium cycling for faster, safer setup
• Special Grade Reef grain size for optimal water flow and stability
• Suitable for reef tanks, fish-only systems, sumps, and plenums
• Ready-to-use live sand that establishes biological balance quickly

CaribSea Arag-Alive Special Grade Live Sand 20lb is a reliable, biologically active substrate designed to improve water quality and accelerate tank cycling. With its versatile grain size and proven bacterial formula, it is ideal for a wide range of marine and reef aquarium applications.