Biological Media
Effective biological filtration is incredibly important for a healthy underwater ecosystem. This is where bio balls come in. Aquariums and ponds need beneficial bacteria to grow and balance out any harmful debris in the water. Bio balls are designed in a very specific way to increase the surface area that good bacteria can cling to. The large surface area of the bio balls is down the ridges and crevices that you can see all over them. This gives good bacteria more places to settle; if there is more space for this good bacteria to grow, there will be better biological filtration.
You will need to choose your mechanical filter media first, to ensure that superficial waste is removed effectively. Bio balls do not remove large pieces of decay in the aquarium, but filter out small particles and reduce the production of harmful chemicals like ammonia. Having a mechanical filter media system in place helps bio balls to do their job more effectively. Find out more about pond and aquarium filtration.
Bio balls from Finest Filters can be used in aquariums and ponds alike. They come in two sizes depending on the size of your fish tank or pond. The smallest bio balls we stock are 26mm and are available in packs of 250, 500 or 1,000. For an even larger surface area, try the 32mm bio balls. The smaller packs of 150 are ideal for aquarium owners, while those looking for bio balls for ponds can choose the largest option of 3,000 balls. Browse bio balls for your pond or aquarium now.
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Large 32mm Bio Balls (Various Packs Available)As low as £14.99Finest Filters 32mm diameter bio balls are suitable for effective bio filtration in aquarium and pond filters alike.
Each box of 150 bio balls works out to approx. 4 litres.
These bio balls are supplied in boxes of 150pcs. Please select the number of bio balls required from the drop down menu when ordering.
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Alfagrog E25 Ceramic Filter MediaAs low as £8.99Alfagrog is porous foamed ceramic material, which is lightweight, strong and inert.
Its high surface area makes it the natural choice for colonisation by micro organisms in biological filtration systems resulting in cleaner water.Suitable for use in a wide range of pond filters and some commercial set ups.Learn More -
100 x Bio Balls Filter Media£8.99Out of stockYou are purchasing 100 x high quality 26mm bio balls suitable for bio filtration in aquarium and pond filters alike.
Bio Balls have an extremely large surface area, allowing beneficial bacterial to colonise, biologically filtering your water.
These Bio Balls are 26mm in diameter, and you are purchasing a pack of 100.
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250 x Bio Balls Filter Media£16.99You are purchasing 250 x high quality 26mm bio balls suitable for bio filtration in aquarium and pond filters alike.
Bio Balls have an extremely large surface area, allowing beneficial bacterial to colonise, biologically filtering your water.
These Bio Balls are 26mm in diameter, and you are purchasing a pack of 250.
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500 x Bio Balls Filter Media£27.99You are purchasing 500 x high quality 26mm bio balls suitable for bio filtration in aquarium and pond filters alike.
Bio Balls have an extremely large surface area, allowing beneficial bacterial to colonise, biologically filtering your water.
These Bio Balls are 26mm in diameter, and you are purchasing a pack of 500.
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1000 x Bio Balls Filter Media£39.99You are purchasing 1000 x high quality 26mm bio balls suitable for bio filtration in aquarium and pond filters alike.
Bio Balls have an extremely large surface area, allowing beneficial bacterial to colonise, biologically filtering your water.
These Bio Balls are 26mm in diameter, and you are purchasing a pack of 1000.
Learn More