Chemi-pure Elite Grande 46.96oz 1large unit equals the same as 4 individual Units

Chemi-pure contains extruded pelletized carbon and ion exchange resins. It works best for any medium-heavy bioload freshwater or saltwater aquarium. The benefits are clear and contaminant free water.

Promotes aerobic bacterial growth and nitrification – removes dissolved organics.
Benefits of Chemi-Pure Elite:

-Eliminates fish loss due to unbalanced or polluted water, acidity, and pH changes

-Necessary organisms allowed growth with no danger of pollution

-Removes copper metal, ions, odors, all pollution, gasses, CO2, and color

-Removes Phosphates
Chemi-Pure is the original Ion Filter Medium constantly improved over the years. There are counterfeits, but only one Chemi-Pure. Do not confuse Chemi-Pure with any other medium on the market.
Chemi-Pure Elite is a superior product for Freshwater, Reef, and Marine Aquariums. Now with ferric oxide that will remove phosphates and help remove red slime.
Directions for use:

-5 to 40 gallons, use 1 unit

-40 to 100 gallons, use 2 units

-Above 100 gallons, add 1 unit for every 25 gallons