Bulk Package includes 6 x 11.74oz pouches. THE BENEFITS OF USING CHEMIPURE ELITE: - Keeps pH stable and constant - Reduces fish loss due to pH changes or polluted water - Keeps aquariums crystal clear - Provides positive neurological reactions in fish, mimicking a natural environment - Filters out phosphates (PO4) and silicates (SIO2) - Reduces nuisance algae - Removes dissolved organics - Helps fish have a better appetite - Eliminates osmotic shock - Increases fish life span - Filters out coppers, metals, odors and phenol - Prevents ion antagonism - Lasts up to 4 months - Available in several sizes Chemi-Pure Elite adds ferric oxide to the original Chemi-Pure formula to also remove phosphates and silicates, making it the only complete choice for filtering any kind of aquarium. With Chemi-pure Elite, we have taken the next step in keeping Chemi-pure the ultimate and complete choice for filtering your aquarium. Chemi-pure is the latest in aquarium science. 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.