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Filter Media

Kock Rock
Kock Rock - Sintered Glass
Kock Rock has been primarily developed for use in trickle / shower filters. Its porous exterior encourages the natural conversion of aerobic to amaerobic bacteria that converts nitrate to harmless nitrogen gas.
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Filter Brushes
Filter Brushes
We stock a large range of filter brushes (basils) suitable for your filtering requirements. They are of a semi-rigid construction with a wire loop at the end for easy installation.
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Alfagrog
Alfagrog
Alfagrog is made of a highly pourous material that contains many thousands of tiny pockets in which bacteria can thrive making it an ideal materia for biological filters.  
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Blue Matting
Blue Matting
Blue filter matting is available from Kockney Koi and is available in 38mm thickness. Due to its course nature it has excellent bio-mass retention and its open texture removes larger particles from the water.
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Flocor
Flocor
Flocor is made up from corrugated plastic tubing cut into short lengths. It is extremely popular due to its low cost and high effiency.  
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Reticulated Foam
Reticulated Foam
High quality sheet foam can be cut to any size giving a large economical filter surface and can be used in conjunction with filter wadding for sparkling water quality.
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Filter Wadding
Filter Wadding
This product is gaining a great deal of popularity due to its superb ability to filter out fine particles leaving your water crystal clear. It is now standard in all our Mega Media flters.  
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Filter Grids
Filter Grids
Kockney Koi filter grids are made from polypropylene and are extremely strong. They are used in virtually all professional filters on the market.
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Foam Blocks
Foam Blocks
Our 6" and 8" cubes have a large surface area making them ideal for straining water entering a pump. The pump fits into an off centre hole allowing pump and foam to sit level with the pond bottom.  
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Perforated Support Sheets
Perforated Support Sheets
Perforated sheets are available for media support in filters these are one metre square and are suitable for use with all media, being easily cut to size if necessary.
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