biological filter : 735 results priced between £5.00 and £400.00

Eheim 1100220 BioMech Mechanical Biological Filter Media 2 L

Fluval ceramic G-Nodes feature a complex pore system where beneficial bacterial will thrive. With more capacity and shaped to compact together tightly within the G filter baskets G-Nodes enhance biological nitrification.

Flocor is a plastic filter media that is very popular in small biological pond filters, as it is relatively cheap and has a large surface area for bacteria to develop on

Aquael Pearl Biological Filter Media 1L £9.25 Stock & Availability: Dispatch in 2-3 days We are currently waiting for this product to arrive back in stock. The estimated arrival date is around 3 days from now. Your order will be dispatched as soon as the item arrives. You will be able to track your order via the 'My Account' section. Delivery Method: Royal Mail Tracked This item will be dispatched via a Royal Mail Tracked delivery service. You will receive this item within 1-2 days and the order...

A biological filter for use with the turbo 1000 multi protein skimmer that fits onto the outlet pipes. Can also be used to contain carbon or phosphate remover. Does not include any media.

Eheim Lav 5 Litres Eheim Ehfilav The rough structure of the volcanic material offers the ideal adhesive surface for the bacteria layer and this ensures the rapid decompostion of harmful substances. In order not to interrupt the vacterial action, maintain one third of the filter material when replacing. Eheim Ehfilav can be washed under lukewarm water and can be used several times. Ideal as biological filter media where excessive mechanical debris is present Large surface area for bacteria colonisation...

The Fish Mate Supra+ Biological Filter Medium is the replacement filter media for Petmate pressurised filters. To make sure that your filtration work exactly to the high standards that you and your pond demand using the same brand filter can ensure that nothing is letting you down. For optimum performance it is recommended that half of the media should be replaced every 6 months. Features at a Glance: Fish Mate Supra+ Medium is a ceramic material with controlled porosity for optimal biological efficiency...

Juwel Cirax has an extremely large surface area due to it's highly porous filter material, which again helps to keep your aquarium's water healthy and clear.

Filter media for TetraTec EX range and other external filters. Efficient biological and mechanical filtration.

Use of Tetratec® BF400/600 replacement Foam in Tetratec® Internal Filters IN 400 and IN 600 ensures that the aquarium water is filtered effectively. Biologically active bacterial cultures that transform harmful nitrite into the plant fertiliser nitrate settle in the filter foam. The foam structure also carries out physical filtration, removing visible particles from the aquarium filter. Also suitable for use in marine water aquariums. .auslobung ul li { margin-left: 0px; }

Details Biological pond filters. 1 - Water enters the unit via a spray head, which is evenly distributed over a foam sheet. 2 - Solid particles in the water are trapped in a foam sheet. 3 - Almost solids free, the water passes through plastic biomedia where beneficial bacteria cleanse pollutants. The amount of biomedia contained in the filter increases in direct proportion to the size of the pond/filter to support a greater number of fish. 4 - Purrified water then passes up an outlet tube and back...

Blagdon Professional Ceramic Biological Filter Media is excellent for pond filtration systems supporting high fish stocking densities. It has been specifically designed to provide a chemically inert, high surface area media with extreme porosity.  Blagdon Ceramic Biological Filter Media is also ideal for feeding regimes that are maximised for fish growth. Biological filter media is used within pond filter systems to provide a surface area that bacteria can live on.  These bacteria feed off the waste...

Eheim Substrat 1 litre After the mechanical treatment of the water by EHEIM Mech, the water is biologically filtered with EHEIM substrat in one or several layers. substrat is a highly porous filter medium consisting of sintered glass. Its surface structure offers excellent colonization conditions to the important purification bacteria. The adhesive surface amounts to 450 sq. m per litre, thus biologically filtering the water. EHEIM substrat can be rinsed out and can be used several times. Suitable...

Home / 2 x Tetratec Tetra EX400 EX600 EX700 BF Biological Filter Foam 2 x Tetratec Tetra EX400 EX600 EX700 BF Biological Filter Foam Email to a Friend Be the first to review this product Availability: In stock £5.49 Qty: Add to Cart OR Add to Wishlist | Add to Compare Quick Overview These foams are a Finest-Filters alternative to the Tetratec originals, which perform the same function. The filter foams are an ideal thickness to filter small waste particles from the aquarium water. Quantity...

Pond filters have a limited space dedicated to Biological media, the more surface area the biological media can provide within this space, the greater the fish population the filter will healthily maintain. Blagdon Bio Media uses the advantageous properties of kiln fired ceramic to maximise the surface within your filtration system. Oxygen Flow Through The Media: Bacteria are living organisms; the species that do the work of keeping pond water healthy require water and oxygen levels similar to the...

A sponge soaked pad soaked in millions of biological filter bacteria. Add to a new pond to start filtration and regularly to existing ponds and filters to boost the bacteria. Keeping the pond clean and safe for your fish.

Use for highly active water purification with intensive biological decomposition of harmful substances.For use in all canister filters. Can be used in all applications like in any filter system, extra media for wet/dry sumps and in power filter media containers. It can also be used as a replacement media for the Eheim AquaBall. It is pH & KH neutral so it does not affect the water chemistry. It has a larger pore structure to ensure optimum bacterial colonisation and delays the silting-up of the...

Eheim Lav 1 Litre Eheim Ehfilav The rough structure of the volcanic material offers the ideal adhesive surface for the bacteria layer and this ensures the rapid decompostion of harmful substances. In order not to interrupt the vacterial action, maintain one third of the filter material when replacing. Eheim Ehfilav can be washed under lukewarm water and can be used several times. Ideal as biological filter media where excessive mechanical debris is present Large surface area for bacteria colonisation...

Biological aerated filtration is a viable option for small municipal wastewater treatment plants. A low cost filter media was obtained by triturating volcanic rock. An apparent porosity of 46 % and a specific surface area of 395 m 2 /m 3 ·d were obtained once the filter was packed by using a grain size of 8.2 mm. The performance of the system, operated as a biological filter, was evaluated under an average organic load of 2.6±0.4 kgCODT/m 3 ·d (6.7±1.1 gCODT/m 2 ·d) without primary and secondary...

Eheim Substrat 2 litres After the mechanical treatment of the water by EHEIM Mech, the water is biologically filtered with EHEIM substrat in one or several layers. substrat is a highly porous filter medium consisting of sintered glass. Its surface structure offers excellent colonization conditions to the important purification bacteria. The adhesive surface amounts to 450 sq. m per litre, thus biologically filtering the water. EHEIM substrat can be rinsed out and can be used several times. Suitable...

Eheim Substrat 5 litres After the mechanical treatment of the water by EHEIM Mech, the water is biologically filtered with EHEIM substrat in one or several layers. substrat is a highly porous filter medium consisting of sintered glass. Its surface structure offers excellent colonization conditions to the important purification bacteria. The adhesive surface amounts to 450 sq. m per liter, thus biologically filtering the water. EHEIM substrat can be rinsed out and can be used several times. Suitable...

The highly active Tetratec® BF Biological Filter Foam is specially designed for use with Tetratec® External Filters EX 600 and EX 700.

An upflow, partially packed biological aerated filter (BAF) reactor was used to remove nitrogen in the form of ammonia ions by a nitrification process that involves physical, chemical and biological phenomena governed by a variety of parameters such as dissolved oxygen concentration, pH and alkalinity. Dissolved oxygen (DO) and pH were shown to have effects on the nitrification process in this study. Three C:N ratios i.e., 10, 4 and 1 were compared during this study by varying the nitrogen loading...

Natural product that reduces algae growth by binding excess phosphates. Binds heavy metals (such as copper and lead) and sulphide, which is toxic to fish. The phosless inserts are placed directly into moving water (watercourse) or the Oase Biotec 18/36 filters. The bound phosphate can be disposed of in the residual waste container.

Eheim SubstratPro 5 Litres After the mechanical treatment of the water by EHEIM Mech, substrat pro offers perfect colonization conditions to the important purification bacteria through the high bulk density of the spherical shape (full utilization of the volume) and the perfect surface structure (maximum number of bacteria on each sphere). This combination provides the maximum number of purification bacteria which ensure clear, healthy water, stable water values and longer service life of the filter...

1.2 Litre container to fit over the outflow pipes for use as a first stage biological filter on the Turboflotor 1000 Multi Protein Skimmer by Aqua Medic.

In the Netherlands, biological trickling filters without chemical pre-oxidation are generally applied to treat anaerobic groundwater, containing methane, iron, ammonium and manganese. Previous research showed that all compounds can be removed in one filter step and that not only the ammonia oxidation (by nitrification), but also the iron oxidation is often a biological process, despite oxygen saturated conditions and neutral pH. However, the optimal conditions for each process differs. In this paper...

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A biological filter media, for use in either external power filters or trickle filters. Offers a very large surface area for biological activity.

The Libel 2000 Plus is a complete filter set for ponds with a maximum volume of 2000 litres. Ponds are full of life – not just frogs and fish but also invisible micro-organisms that ensure biological purification. However, the ecosystem in a pond is extremely vulnerable and is influenced by many different factors. Give nature a helping hand with a good pond filter, especially if you have fish in your pond. Supplied with pump, UV lamp, hoses, filter mat and filter granules. 2-year guarantee.

Stress Zyme is a biological filter additive containing live bacteria that improves the development of the biological filter and helps clean a dirty aquarium. The build-up of organic pollution in the aquarium inhibits the growth of nitrifying bacteria. The bacteria in Stress-Zyme keep conditions in the aquarium right for the development of the biological filter by consuming harmful organic pollutants. This speeds the development of the biological filter in newly set up aquariums. A build-up of organic...

The API Stress Zyme Biological Aquarium Filter Additive is an extremely helpful formula that can be used along with your tank filter to aid in the cleaning and purification of your aquarium water. This formula can contribute to the well being of your fish, making sure that they have a safe environment in which to live.