CaribSea Live Ocean Direct Oolite Sand 40Lbs – Live Marine Substrate

Create a thriving reef aquarium instantly with CaribSea Live Ocean Direct Oolite Sand 40Lbs, a revolutionary live sand substrate preserved using advanced Sea Breathe™ technology. Unlike traditional live sand products, Ocean Direct retains its original ocean bacteria in real seawater, delivering unmatched biological performance straight from the bag.

Each breathable package contains up to 1,000 times more beneficial bacteria than conventional preservation methods. Every grain of oolite sand is coated with living bacteria and encapsulated in a thin film of genuine ocean water, allowing superior gas exchange without harmful by-product buildup. This innovative process jumpstarts biological filtration, reduces cycling time, and helps create a natural, stable marine environment in minutes—making it ideal for reef tanks, saltwater aquariums, and advanced marine systems.

Key Features

• True live sand preserved in real ocean water
• Sea Breathe™ technology for superior gas exchange
• Contains up to 1,000× more beneficial bacteria
• Every grain coated with live, natural bacteria
• Helps establish a stable marine aquarium quickly
• Reduces cycling time for reef and saltwater tanks

CaribSea Live Ocean Direct Oolite Sand 40Lbs is a premium live marine substrate designed to instantly seed aquariums with powerful, natural bacteria. With unmatched biological efficiency and easy setup, it’s the perfect foundation for a healthy, thriving reef ecosystem.