Get all the benefits of Chemi-pure now with the added benefit of being able to remove all your phosphate and silicates. NO need for bulk Iron Oxide removers or spending additional money on a phosphate reactor. Chemi-pure Elite keeps making your aquarium maintenance easier. Chemi-pure Elite was designed and manufactured with the latest technologies available. Chemi-pure Elite is without a doubt the best all around filter media for all types of aquatic environments. Chemi-pure Elite is very economical, simple to use, and provides problem-free filter operation.

(info taken directly from the manufacture's website)