Carbon Filter Media 2 Packages of 4.6 oz

• The Carbon Filter Media for the BioCompact 50, FiltoSmart 200 or 300, and FiltoSmart Thermo 200 or 300 includes 2 replacement carbon filter media allotment
• Safely regulates the pH value and water hardiness
• Activated carbon absorbs unwanted substances in aquarium water
• Includes 2 allotments of 4.6 oz of activated carbon
• Timing to replace the carbon filter media set varies upon aquarium size and the number of fish and plants

two 4.6 oz allotments of activated carbon