Mechanical Filter Media
Mechanical filter media physically traps impurities and debris in the water before returning it to the tank or garden pond. This is a continuous process that also helps with water circulation - and many fish find moving water a more natural environment.
While chemical or biological filtration media spreads through the water and counters the impurities within it, mechanical filter media traps anything that shouldn’t be in the water. These filters need to be removed and either cleaned or replaced regularly, depending on the filtration system you have. Without this, you may notice the water become dirty and your fish appear less healthy over time.
Although you can use mechanical filter media in either setting, garden pond and aquarium mechanical filter media differ in size, power, and potency. Once you know whether you want mechanical filter media in a pond or aquarium, you can figure out the types of impurities that you’ll be dealing with. The fish you keep will also have an impact, so you can choose the pond or aquarium mechanical filter media that best suits your needs.
The best mechanical filter media for aquariums include DIY Filter Sheets, Activated Carbon Foam, and Thick Foam Sheets. Garden ponds can also benefit from products like Japanese Filter Matting Sheets. The range of mechanical filter media means there’s something for everyone, no matter the size of your aquarium or garden pond.
Explore the selection of mechanical filter media available from Finest Filters and find the right options for your pond or aquarium.
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DIY 18" x 12" x 2" Thick Foam Sheets Course & FineOut of stockFinest-Filters foam sheets provides excellent biological and mechanical filtration in aquarium and pond filters alike. The foam allows beneficial bacteria to colonise to break down ammonia and nitrate, whilst also catching particulate waste out of the water.
These foam sheets measure 18 inch x 12 inch x 2 inch thick (450 x 300 x 50mm). These foams are ideal for Hambug matten filters, and we have them in a choice of foam density.
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Pack of 6 DIY Filter Sheets (15mm)£5.99Finest-Filters filter wool is ideal for fine mechanical filtration in aquarium and pond filters alike. 6 sheets of size 18” x 12” (inches) Thickness of this Filter Wool: 15mm (approx) Learn More -
DIY Course Foam Sheet (18" x 12")£8.99Out of stockFinest-Filters course foam provides excellent biological and mechanical filtration in aquarium and pond filters alike. 1 sheet of size: 18” x 12” (inches) Thickness of this sheet: 25mm Foam Grade: 10ppi Blue Course Foam Learn More -
Pond Filter Foam Set 17" x 11" (3 pack)£10.99Finest-Filters Set of 3 x foam filter pads are ideal for all pond filters. This set contains 3 x foams. (Coarse Black, Medium Beige and Fine Blue).
These filter foams measure 11" x 17", and have an egg-crate profile on one side to effectively catch waste from the water. Simply cut to size using scissors.
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1 x Japanese Filter Matting Sheet 17" x 11"£8.99You are purchasing high quality Japanese Matting, which is probably one of the best pond filter media products available today.
This sheet is 17" x 11" x 38mm in size. You are purchasing QTY 1 sheet.
These sheets can be easily cut down to size to fit most models of pond filter. This is a very efficient mechanical and biological filtration media, which is very long lasting and durable.
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Pack of 3 DIY Filter Sheets (30mm)£5.99Finest-Filters filter wool is ideal for fine mechanical filtration in aquarium and pond filters alike. 3 sheets of size 18” x 12” (inches) Thickness of this Filter Wool: 30mm (approx) Learn More
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DIY Fine Foam Sheet (18" x 12")£8.99Out of stockFinest-Filters fine foam provides excellent biological and mechanical filtration in aquarium and pond filters alike. 1 sheet of size: 18” x 12” (inches) Thickness of this sheet: 25mm Foam Grade: 30ppi Beige Fine Foam Learn More -
Pond Filter Foam Set 25" x 18" (3 pack)£18.99Finest-Filters Set of 3 x foam filter pads are ideal for all pond filters. This set contains 3 x foams. (Coarse Black, Medium Beige and Fine Blue).
These filter foams measure 25" x 18", and have an egg-crate profile on one side to effectively catch waste from the water. Simply cut to size using scissors.
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3 x Japanese Filter Matting Sheets 17" x 11"£19.99You are purchasing high quality Japanese Matting, which is probably one of the best pond filter media products available today.
These sheets are 17" x 11" x 38mm in size. You are purchasing QTY 3 sheets.
These sheets can be easily cut down to size to fit most models of pond filter. This is a very efficient mechanical and biological filtration media, which is very long lasting and durable.
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DIY Activated Carbon Foam (18" x 12") - 12mm Thick£8.99Finest-Filters activated carbon impregnated foam provides excellent chemical filtration in aquarium and pond filters alike. 1 sheet of size: 18” x 12” (inches) Thickness of this sheet: 12mm Foam Grade: 20ppi Black Carbon Impregnated Foam Learn More -
Pond Filter Foam Set 42" x 21" (3 pack)£29.99Finest-Filters Set of 3 x foam filter pads are ideal for all pond filters. This set contains 3 x foams. (Coarse Black, Medium Beige and Fine Blue).
These filter foams measure 42" x 21", and have an egg-crate profile on one side to effectively catch waste from the water. Simply cut to size using scissors.
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6 x Japanese Filter Matting Sheets 17" x 11"£34.99You are purchasing high quality Japanese Matting, which is probably one of the best pond filter media products available today.
These sheets are 17" x 11" x 38mm in size. You are purchasing QTY 6 sheets.
These sheets can be easily cut down to size to fit most models of pond filter. This is a very efficient mechanical and biological filtration media, which is very long lasting and durable.
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DIY Activated Carbon Foam (18" x 12") - 25mm Thick£14.99Finest-Filters activated carbon impregnated foam provides excellent chemical filtration in aquarium and pond filters alike. 1 sheet of size: 18” x 12” (inches) Thickness of this sheet: 25mm Foam Grade: 20ppi Black Carbon Impregnated Foam Learn More -
1 x Japanese Filter Matting Sheet 25" x 18"£16.99You are purchasing high quality Japanese Matting, which is probably one of the best pond filter media products available today.
This sheet is 25" x 18" x 38mm in size. You are purchasing QTY 1 sheet.
These sheets can be easily cut down to size to fit most models of pond filter. This is a very efficient mechanical and biological filtration media, which is very long lasting and durable.
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3 x Japanese Filter Matting Sheets 25" x 18"£37.99You are purchasing high quality Japanese Matting, which is probably one of the best pond filter media products available today.
These sheets are 25" x 18" x 38mm in size. You are purchasing QTY 3 sheets.
These sheets can be easily cut down to size to fit most models of pond filter. This is a very efficient mechanical and biological filtration media, which is very long lasting and durable.
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DIY Ammonia Remover Filter Foam Sheet for Aquarium / Fish Tank or Pond£9.99The Finest Filters Ammonia Remover Foam Sheets are ideal for ammonia removal in aquariums and ponds alike.
This sheet measures 45 x 25cm (18" x 10"), and are approximately 12mm thick.
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6 x Japanese Filter Matting Sheets 25" x 18"£68.99You are purchasing high quality Japanese Matting, which is probably one of the best pond filter media products available today.
These sheets are 25" x 18" x 38mm in size. You are purchasing QTY 6 sheets.
These sheets can be easily cut down to size to fit most models of pond filter. This is a very efficient mechanical and biological filtration media, which is very long lasting and durable.
Learn More -
DIY Nitrate Remover Filter Foam Sheet for Aquarium / Fish Tank or Pond£9.99Out of stockThe Finest Filters Nitrate Remover Foam Sheets are ideal for nitrate removal in aquariums and ponds alike.
This sheet measures 45 x 25cm (18" x 10"), and are approximately 12mm thick.
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DIY Phosphate Remover Filter Foam Sheet for Aquarium / Fish Tank or Pond£9.99The Finest Filters Phosphate Remover Foam Sheets are ideal for phosphate removal in aquariums and ponds alike.
This sheet measures 45 x 25cm (18" x 10"), and are approximately 12mm thick.
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