Seachem Flourite Sand Black Anubias It is not a mixture

It is not a mixture of ion exchangers or adsorbents

such as Iron

Multi-directional discharge nozzle for precise air flow focus

requiring about 4 hours to go from TOXIC to SAFE on removal of ammonia

Fully adjustable side-mounting Aquarium Cooling Fan

Seachem Flourite Sand Black Anubias It is not a mixtureProduct Details Flourite Black Sand is a specially fracted stable porous clay gravel for the natural planted aquarium. Its appearance is best suited to planted aquaria, but may be used in any freshwater aquarium environment. Flourite Black Sand is most effective when used alone as an integral substrate bed, but it may be mixed with other gravels. Gravel modifiers such as laterite are not necessary. Flourite Black Sand is not chemically coated or