CaribSea Ocean Direct - Oolite Size:20lb and will not degrade water

and will not degrade water quality

Contains live ocean bacteria resulting in a fast cycle

The pieces can stack quickly to give you a three-dimensional design with plenty of negative space and a large surface area for corals and other inverts

CaribSea Rubble Zone is your perfect choice whether you're looking to aquascape

Offers an incredible nutrient mix

CaribSea Ocean Direct - Oolite Size:20lb and will not degrade waterCaribsea's Ocean Direct Caribbean Live Sand is a great choice for aquarists who are wanting a reef tank set up in minutes. Oolite Ocean Direct Live Reef Sand uses "Sea Breathe" technology to preserve the live sand in its own original ocean bacteria. Features Contains live ocean bacteria resulting in a fast cycle Grain size: 0. 25 1. 5mm High Surface Area for Bacteria