CaribSea Ocean Direct Oolite 40lb – Marine Substrate with Live Bacteria
CaribSea Ocean Direct Oolite is a marine substrate designed to support a thriving, natural aquarium environment. Unlike traditional live sand products, Ocean Direct uses Sea Breathe technology to preserve real live sand with its original bacteria.
Each grain is coated with beneficial bacteria and encapsulated by a thin film of real ocean water through capillary action. This film allows for unparalleled gas exchange, enabling high levels of natural bacteria without the buildup of harmful metabolic by-products.
With up to 1000 times more beneficial bacteria than other preservation methods, Ocean Direct promotes a healthy marine ecosystem in minutes. It is ideal for marine aquariums requiring a natural, biologically active substrate.
| Specification | Value |
|---|---|
| Product Type | Marine Substrate |
| Weight | 40 lb |
| Brand | CaribSea Inc |
| Item Number | ACS01940 |
FAQ
How does Sea Breathe technology work in Ocean Direct?
Sea Breathe technology coats each grain of Ocean Direct with beneficial bacteria and encapsulates it in a thin film of real ocean water. This film allows for gas exchange with the atmosphere, supporting high bacterial activity without harmful by-product buildup.
Is Ocean Direct suitable for all marine aquariums?
Ocean Direct is specifically designed for marine aquariums that require a biologically active substrate. It is ideal for tanks with live coral and other marine invertebrates that benefit from natural bacterial colonies.
Can I mix Ocean Direct with other substrates?
Please contact customer service for guidance on mixing Ocean Direct with other substrates.
Anthony MacDonald –
Installed Ocean Direct in my 55-gallon reef tank. The substrate settled quickly and the water clarity improved within a week. I noticed more active biological activity, especially around the corals. No fish stress or ammonia spikes. Highly recommend for reef keepers.
Elizabeth Dyer –
The packaging was secure and the sand felt natural. After a few weeks, my tank showed better stability in water parameters. The bacteria presence seems to support the coral growth. A bit expensive, but worth it for long-term health.
Stewart Hunter –
Used it in a new marine setup. The sand is easy to work with and doesn’t clump. I saw a noticeable improvement in water quality within two weeks. The live bacteria helped maintain stable nitrate levels.