Nature’s Ocean Bio-Activ Live® Reef Substrate
Grain size: 2.0 – 4.0 mm.
Premium product for marine aquariums.
• 100% natural product.
• Provide balance to your bin immediately.
• Removes nitrogenous waste.
• Prevents biofouling.
• Maintains proper pH.
• Reduces nitrates.
• Reduces algae growth.
• Contains living marine organisms and bacteria.
Every grain of sand in the ocean is co