Seachem Onyx Sand 15.4lb Marina The inclusion of an activated

The inclusion of an activated carbon foam optimizes your aquarium filtration and removes cloudy water

Corcovado wood features a distinct root-like structure

high soluble form of inorganic iodide

This powerful filter contains patented rotating Bio-Wheel technology to provide superior wet/dry biological filtration for nitrifying bacteria growth and eliminating toxic ammonia and nitrate fast

To provide those nutrients in an aquarium we added cellulose in the form of Stinging Nettle

Seachem Onyx Sand 15.4lb Marina The inclusion of an activatedPremium natural sand for the planted aquarium Good for the life of the aquarium Supports optimal KH levels for freshwater planted aquariums Rich in carbonates Overview Onyx Sand is a naturally dark gray sand that perfectly complements and enhances the appearance of any aquarium. It supports optimal KH levels for freshwater planted aquariums. Although ideally suited to planted aquaria, it may be used in any aquarium environment. Onyx Sand is most