High performance, non-clogging, mechanical filter media for both freshwater and marine aquariums.
Easy to remove & replace, fiber balls collect floating detritus & other toxic particles in water.

• Micron Size: 20-50um
• Density: 1.38/cm3
• Filling Density: 60-80kg/m 3
• Filtering Velocity: 20-85m/h
• Waste Stopping Quantity: 6kg/m3
• Moisture Absorption: 0.4-0.5%
• Voidage: 96%
• Specific Area: 3000m2/m3

High Capacity Granular Ferric Oxide is 2 x more effective by volume than leading GFO. HC GFO controls and removes phosphates from water eliminating nuisance algae and green water.

• Diameter: 3-4mm
• Purity: 65% above
• Hardness: 4-5
• Ash Mass %: 5

The highest grade chemical filtration process that removes impurities such as copper, chlorine, medications, tap water impurities, discolouration and dissolved proteins. 

• Iodine Number: 1000 min.
• Ball-Pan Hardness: 97 min.
• Surface area (BET) m2/g: 1225
• pH: Neutral
• Food Chemicals Codex: Passes
• Ash, Mass %: 3
• Methylene blue absorption g/100g: 24
• Washed with Hydrochloric Acid