BULK package: includes six 11oz bags. The benefits of using chemipure blue: - 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 - 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 Boyd Enterprises is proud to announce a revolutionary NEW addition to the Chemi-pure family, Chemi-pure Blue! Chemi-pure Blue is specially created for fantastic results in reef and marine aquariums. Our NEW proprietary blend of premium, low-dust pelleted carbon and high capacity ion-exchange resins are skillfully combined to create a superior all-in-one filter media in a nylon bag. Chemi-pure Blue significantly reduces organic compounds and phosphates while raising redox and helping stabilize pH for a healthy, crystal clear aquarium.