Enjoy superior water quality for a healthier aquarium inhabitants. Works equally well in marine or freshwater aquariums to remove heavy metals, copper, phenol, ammonia, and other nitrogenous waste. Helps keep pH at a consistently safe range and your water sparkling clear. Fantastic for use with African Cichlids and Discus. Each pre-bagged 5 oz Chemi-Pure treats up to 20 gallons. Each extra large 40 oz Grande nylon bags treat 175-200 gallons. Remains active 4-6 months.

Use 1 package for aquariums up to 40-50 gallons, 2 packages for 40- to 100-gallon aquariums. Aquariums above 100 gallons require 2 packages plus one package for every additional 25 gallons.

Instructions:
Keep Chemi-Pure package sealed until ready for use. Be sure to place Chemi-Pure in an area of your filter that is large enough to accept the amount needed. Use the formula supplied to figure the amount of Chemi-Pure you need. Do not divide packages under any circumstances.

Do not open filter bag. Remove by turning bottle upside down and shaking. Rinse lightly and place bag in filter and flatten out as much as possible. Any area not filled by the bag should be packed evenly with glass or Dacron filter wool and then place a thin layer of the same over bag. Change wool and rinse off bag when flow-through filter decreases.