CaribSea Samurai Soil is a unique, uniformly graded material that fits the pH and mineral requirements of the most sensitive freshwater fauna and flora, without the muddy texture and crumbling often seen with other brands. A complete substrate eco-system is infused with mycorrhizal fungi for enhanced root development, and each package contains a dose of biologicals for a faster and more thorough cycle. Ideal substrate for shrimp and planted aquaria.

• Cleaned and ready to use
• Promotes neutral to acidic pH
• Contains a dose of biologicals for a faster and more thorough cycle
• Will not disintegrate or compact
• Will not increase hardness