After placing Kusuri Lithaqua in to the Net Sack, Kusuri advise rinsing the Net Sack with contents in a bucket of pond water to avoid damaging ball valve or slide valve rubber seals.
At Cotswold Koi we supply a wide range of Pond Shower and Submersible Media. With our extensive range of products we have tried to cater for everyone.
Aqua Source Kano Shower Media
Aqua Source Kano Shower Media
Aqua Source Kano Shower Media will help maintain excellent water quality and also maintain the eco balance in your pond. Ideal for all Shower type filters. Made from the finest quartz and minerals, far infrared is heated up to 1800C to break up the internal bonds and create an incredibly porous surface, which encourages good bacteria to colonise in the huge protected surface area. The Kano Media emits FAR infrared rays that break the bonds of the neighbouring water molecules thereby allowing more oxygen to be dissolved in the water. Larger organic solids are dissolved quicker than conventional media. Kano Shower Media does not degrade and is pH neutral. Read more
A high flow is recommended for maximum performance.
- Available in 5kg boxes
- Length 150mm
- Thickness 40mm
- 50 pieces per carton
Burtons Bio Blocks
Burtons Bio Blocks
Burtons Bio Blocks are a new and exciting form of biological media. They comprise of five different blocks with each block having a different role to play within in the ecosystem of the pond.
With the first block containing Silver to kill of bad enzymes and bacteria. The Second which slowly releases trace elements into the water such as Calcium, Magnesium and Zinc. The third which is Far infrared helping to breakdown waste and increasing oxygen levels. The fourth block works purely biological so is highly efficient in allowing nitrifying and denitrifying bacteria to cultivate. Finally, the Fifth block contains negative ions to aid the health and wellbeing of your pond/fish. With these blocks combined and added to your existing filtration it’ll give you the very best water quality. Read more
Description:
- Perfect for all bio filters including showers and static chambers
- Improves water quality
- Re mineralises pond water
- Aids fish health
Burtons Far-Infrared Shower Media
Burtons Far-Infrared Shower Media
Burtons far infrared shower media is produced using a blend of high-quality ceramic material and minerals which are fired at extreme temperatures creating an extremely porous structure. With each individual piece of media having the surface area of 2.76ft making it highly efficient in allowing the cultivation of nitrifying and denitrifying bacteria. Our far infrared media is versatile and lightweight and Ph-neutral and can be used in many applications like: Bakki showers, traditional multi-bay systems, trickle filters. Our infrared media will improve water quality, clarity and the overall wellbeing of the pond. Read more
Description:
- 2.76ft Surface area per piece.
- Versatile, lightweight and Ph-Neutral.
- Improve water quality and Clarity.
- Length 155mm. Thickness 35mm
- 154 pieces per box
- Weight per box: 16kg
Japanese Matting Sets
Japanese Matting Sets
The Japanese Matting Sets are designed specifically as a replacement part for the filtration units in our product range, making maintenance of your koi pond filtration system easier than ever. This high-performance matting offers exceptional mechanical filtration, ensuring that your koi pond remains clean, clear, and healthy. Perfectly sized and ready to use, it eliminates the need for custom cutting, providing a hassle-free solution for regular maintenance. Read more
Available in 5 sizes:
- 4000/5000v
- 8000/12000v
- 9000/10000v
- 15000/18000v
- 20000
Price range: £62.99 through £287.99 inc. VAT Select options This product has multiple variants. The options may be chosen on the product page
K+ Sinking Filter Media
K+ Sinking Filter Media
K+ Sinking Filter Media is designed and manufactured in the UK by Evolution Aqua. This advanced media, with its innovative design, and class leading surface area provides enhanced biological and mechanical filtration. As Evolution Aqua extrude K+ Media, Minerals and Enzymes are added to the raw material. The result of this process, unique to Evolution Aqua, is a filtration media that not only out performs most of it’s competitors due to its large protected surface area, but also answers the problem of how to speed up the time taken to mature your filter. Read more
Specifications:
- Diameter = 10.2mm
- Total surface area = 1,350m2 per m3
- Protected surface area = 1,025m2 per m3
- Length = 8mm
- Floating version is coloured white
- Sinking version is coloured black
Available in bags of 25 litres and 50 litres
Price range: £44.96 through £71.96 inc. VAT Select options This product has multiple variants. The options may be chosen on the product page
Kintama Bio Balls Filter Media
Kintama Bio Balls Filter Media
Kintama Bio Balls come with an extremely large surface area, designed to increase the biological capability of your filter. This aides in the removal of harmful ammonia and nitrogen, keeping your water in as best a condition as possible. These are suitable for adding to any standard biological filters, and will drastically increase the efficiency of your filter, and enable it to hold much higher levels of beneficial bacteria. Size 20mm-25mm. Read more
Sizes available:
- 10 ltrs (approx. 5kg)
- 25 ltrs (approx. 12.5kg)
- 20KG
Price range: £26.99 through £89.99 inc. VAT Select options This product has multiple variants. The options may be chosen on the product page
Kockney Koi Red Filter Brushes
Kockney Koi Red Filter Brushes
Kockney Koi Red Filter Brushes are suited for both mechanical and biological filtration. As water passes through a series of brushes in the filtration system, the bristles will catch and filter out suspended solids, whilst also providing an ample surface area where the nitrifying bacteria can colonize and thrive. Clean the brushes by removing them from the filter, shaking them out and rinsing in pond water..DO NOT use tap water to rinse them, as this will severely to reduce or eliminate the beneficial bacteria which is growing on the brush. Read more
Size:
- 10″ x 4″
Mountain Tree Bacteria House Generation 3
Mountain Tree Bacteria House
Mountain Tree Bacteria House Generation 3 Being optimized based on Lotus Root Spiral Bacteria House II, with new indented Lotus Root and Spiral structure design. Provides 5,292 sqm per Litre surface area. The revolutionary Lotus root 3D structure Keeps water and microbes active. Read more
Features:
- Maximize space for nitrifying bacteria colonial
- Enhance fish and microbes immune system
- Activate water molecules, improve metabolism of organisms
12 pieces in a box
Mountain Tree Hexagonal Filter Brush
Mountain Tree Hexagonal Filter Brush
Mountain Tree Hexagonal Filter Brush is designed with six-pointed star filament and open hook, the star filter brush is widely used in filtration systems such as fish farms, public aquarium, Koi pond and backyard garden pond. It has excellent physical & biological filtration for blocking wastes and cultivates bacteria. Mountain Tree Filter Brushes are made of new plastic material with good shape and not easy to deform, can be used for more than 5 years, which is 5 times than conventional brush. Read more
Features:
- Four times filtration power stronger than normal single thread brushes with the six-pointed star filament
- Anti-rust weight bearings with 304/316 stainless steel to avoid secondary pollution
- Easy installation and move with open hook head
- Excellent physical and biological filtration-blocks wastes and cultures bacteria
Mountain Tree Spawning Brush
Mountain Tree Spawning Brush
The Mountain Tree Spawning Brush emulates natural koi spawning environment. During the spawning period, koi are sensitive to the environment. Without a comfy, soft home, they may spawn on hard rocks and walls. Thus providing them a comfy home for eggs growth is essential part of success spawning. Read more
Features:
- Soft and resilient filaments, non-toxic, safe for fish egg
- Stainless steel core can be bent when being used
- 1 loop or 2 loops at ends optional , easy for installation and maintaining
- Modest density for collecting fish eggs ensure high survival rate
Mountain Tree Spiral Filter Mat
Mountain Tree Spiral Filter Mat
The Mountain Tree Spiral Filter Mat has both physical and biochemical filtration capabilities with excellent water permeability. It provides a subarea for bacteria to achieve step-by-step biological filtration. Read more
Features:
- Multi-functional filter media
- Patented spiral 3D structure
- Moderate thickness and density
- Hot-melting solid structure
- Easy to cut, maintain and install
- 120cm x 100cm x 4cm
NT Labs Zeolite 5kg
NT LABS Zeolite 5kg
NT Labs Zeolite is commonly used in pond filtration systems to help absorb and remove ammonia and other nitrogenous compounds. Recharging the zeolite helps maintain its effectiveness over time. For best results, use NT Labs Zeolite throughout the year and recharge it regularly. Consider recharging and topping up when water quality begins to decline. Read more
How to use:
- Place the zeolite into the filter bag provided and rinse it under the tap.
- Position the zeolite in the filter in an area with a strong flow of water.
- Test your water quality using NT Labs Test Kits regularly.
- Recharge the zeolite in spring and every 6 weeks unless poor water quality is detected. When recharging, replace 50% of the zeolite.
- To recharge, prepare a salt solution (4 tablespoons per gallon of water) and soak the zeolite chunks for 24 hours.
5kg per 1500 gallons (6820 litres)
Pumice Stone Filter Media
Pumice Stone Filter Media
Pumice stone Filter Media is now being used extensively as an alternative to traditional koi pond filter media in trickle filters and trickle towers .Pumice stone Filter Media is inert and rapidly colonises with beneficial bacteria which help cleanse the pollutants. It is highly porous making it the ideal media for biological filters of all kinds. Efficient biological filtration depends on the media of choice having an adequate specific surface area (SSA), adequate voiding and water retention time. Pumice Stone Filter media has a massive surface area and is therefore ideal in this application. It can be used as a direct replacement to other ceramic based filter media. Read more
Advantages
- High surface area and lightweight,
- very economical and matures quickly
- Very low maintenance
- Excellent biological filtration
- Improved fish stocks due to the extra performance over alternative media
- Can be used as a stand alone biological filter or as an add on to an existing filter system
Available in 10kg and 25kg bags
Price range: £22.49 through £53.99 inc. VAT Select options This product has multiple variants. The options may be chosen on the product page
Alfagrog
Alfagrog
Alfagrog is a volcanic rock, proven to be a successful filter media as it ideal for the colonization of beneficial bacteria. The porous composition of this media allows the bacteria to multiply in abundance over a short period of time. The sharp edges of this natural rock require careful handling, and it is best situated in the last chamber of your filter, as you would not want your Koi rubbing against it! Remember to wear protective gloves whilst cleaning. Read more
Benefits over other filter media:
- Extremely high surface area
- Highly porous
- Inert, pH neutral
- Lightweight
- Available worldwide
- Economical
- Available in 15kg sacks
Bacteria Home Media
Bacteria Home Media
Bacteria Home Media is a high-quality filter medium that is made from mineral rock. This porous rock is baked at a very high temperature. It is ideally suited for a bakki shower, but can also be used in other filters. The microscopic pores immediately ensure a rapid growth of high concentrations of bacteria, which greatly improves the water quality. The bacteria filter harmful substances such as nitrate, nitrite and ammonia from the water. Read more
- Thickness: 40mm
- Length: 160mm
- Weight:5kg
Black Knight Filter Brushes (black)
Black Knight Filter brushes
Black Knight filter brushes are made from the very highest quality Hydrotek polypropylene twisted into two stainless steel wires to form a cylindrical brush with a loop at one end for hanging. The other end is capped with a plastic knob for safety. They last indefinitely and are the easiest to use, most efficient and most cost-effective pond filter medium you can buy.
Our brushes are used in filtration systems in fish farms, hatcheries, public aquaria, domestic fish ponds and research institutes in this country and abroad. No other filter medium is as widely used or has been as extensively tested and proved. Read more
Features:
- very easy to use
- do not need replacing
- are lightweight
- don’t clog up as many other materials do
- are non-toxic
- are very easy to clean
- never wear out
Available Sizes 16″ x 8″ and 10″ x 8″
Price range: £4.49 through £5.39 inc. VAT Select options This product has multiple variants. The options may be chosen on the product page
Black Knight Spawning Brushes
Black Knight Spawning Brushes
Black Knight Spawning Brushes are specially designed soft spawning brushes each brush measures 1.5m by 140mm diameter. Spawning is made easy with the help of these specially designed brushes. The breeding season is normally from April to July depending on the weather. Place the Spawning Brushes just below water level, one above the other, at the edge of the pond, this will encourages your fish to spawn, usually in the early hours. Read more
Please Note: These spawning brushes are made from a soft material that won’t harm your fish. DO NOT USE filter brushes for this purpose
Japanese Matting
Japanese Matting
Japanese matting is a preferred option for koi ponds due to its ease of customization for filter systems and its durable texture, ensuring it stays securely in place during maintenance. With its intricate weave, Japanese matting provides an ideal environment for beneficial bacteria to thrive. These bacteria are essential for breaking down harmful waste in the water, making Japanese matting an excellent choice for filtration media. Japanese Matting, probably one of the best of all the filtration media which is available in the UK today. Japanese Matting is extremely inert and easy to service, Japanese Matting is available in sheet form and can be cut to the desired sizes to fit your filter chamber by using an Angle Grinder or better still an ordinary Circular Saw but be careful and wear protective glasses and watch those fingers. Read more
Available in two different grades 1.2m by 1m
Price range: £57.59 through £64.79 inc. VAT Select options This product has multiple variants. The options may be chosen on the product page
Koi Pro Spawning Brushes
Koi Pro Spawning Brushes
Pack of 2 specially designed soft green spawning brushes each brush measures 1.5m by 140mm diameter. Spawning is made easy with the help of these specially designed brushes. The breeding season is normally from April to July depending on the weather. Place the Spawning Brushes just below water level, one above the other, at the edge of the pond, this will
encourages your fish to spawn, usually in the early hours. Spawning takes several hours with the eggs sticking to the brushes. After spawning, separate the brushes from the broodfish to avoid the eggs being eaten. Place the brushes in filtered water of the same temperature and the fry will hatch in 3-6 days. Small fish should be kept separate until they are large enough to be introduced to the pond. Read more
Please Note: These spawning brushes are made from a soft material that won’t harm your fish. DO NOT USE filter brushes for this purpose
Kusuri Lithaqua Media
Kusuri Lithaqua
Kusuri Lithaqua is a natural calcified seaweed. A pH buffer that can last a number of years. Lithaqua is a marine mineral sometimes referred to as coral, however it is calcified seaweed, high in trace elements and carbonates. Ideal for use in tanks and filter bays. Average particule size is 2-4mm. Modern filters contain many varied plastic media. These provide good support for bacteria, but Lithaqua goes one stage further. Not only do beneficial bacteria draw nutrients from the media, the media being of porous construction has a huge surface area up to 20 times greater than most plastic media. However the main advantage of Lithaqua is the high level of Carbonates which will improve carbonate alkalinity in soft water. It neutralizes low acid pH and reduces pH swings. It will keep the pH above 7, negating the use of quick fix short term pH buffers. Read more
Dosage:
- 1kg of Kusuri Lithaqua to 100 gallons (454 litres) of pond water.
- 5kg of Kusuri Lithaqua to 500 gallons (2273 litres) of pond water.
- 10kg of Kusuri Lithaqua to 1000 gallons (4546 litres) of pond water.
- 20kg of Kusuri Lithaqua to 2500 gallons (11365 litres) of pond water.
Price range: £11.69 through £78.29 inc. VAT Select options This product has multiple variants. The options may be chosen on the product page
Kusuri Lithaqua Media Sack
Kusuri Lithaqua Media Sack
Kusuri Lithaqua Media Sack is a fine Net mesh sack with drawstring top, suitable for Kusuri’s lithaqua media as well as a host of other applications. Read more
Sack 300mm x 500mm
Media Bags
Media Bags
Media Bags are a most useful aid to bagging up, for example, Flocor or Alfagrog. You could even soak k1 (Kaldnes) in these sacks to seed the media up! Made from a plastic resin base, these very strong sacks are ideal for all filter media and can be fully submerged without degrading of the material. Designed with a draw cord for quick sealing. The ideal solution for gaining simple access for periodic cleaning to the filter contents. Size 85 cm x 52 cm approx. and is capable of holding 2 cubic .ft of Flocor for instance. Read more
Available singly or packs of 15
Price range: £0.89 through £11.69 inc. VAT Select options This product has multiple variants. The options may be chosen on the product page
Media Grids
Media Grids
Media Grids are a most useful aid for anyone building their own filtration system these can be placed at a level that provides a void of water underneath the media itself and keeps the media out of any debris that may have gathered in the filter. It supports the media and is quite robust and is a must really can be fixed together and cut to size using simply a fine toothed wood saw or angle grinder. Read more
Size:
- 27″ x 16″
Oyster Shells
Oyster Shells
Oyster Shells – the sure way to always keep KH and pH values under control. Oyster shells have an exceptionally stabilising effect on the KH value and consequently indirectly on the pH value. The KH value provides an indication of the water’s carbonate hardness. A pond’s KH value generally is not measured regularly enough. Only when there are problems, and therefore too late, are there any interventions by adding remedies, such as KH+ powder. However, KH+ powder has a number of drawbacks: Read more
- A lot of powder quickly disappears via the bottom drain/ Filter system
- Short-term boost effect; major fluctuations in water values
- The need for continuous testing and adding powder
Shell size: Generally between 5-7.5cm in length. The number of shells can vary but as a working guide 1kg is likely to contain approximately 40 to 50 shell pieces.
£21.59 inc. VAT Select options This product has multiple variants. The options may be chosen on the product page
Vortex Brushes
Vortex Brushes
Vortex chambers are good for settling out heavy waste but much less efficient with the lightweight particles. Have you noticed that even though you get a lot of waste in the bottom of your vortex, you still find that the subsequent chambers get very dirty too. This is the very fine particles that do not have time to settle in the vortex and so they get drawn through the transfer port into the next chamber. First, they physically trap the large particles that cannot pass through the close weave of the interlocking filaments. Secondly, the filaments have a static charge that ‘grabs’ any small particles that are flowing by. This charge holds onto the waste until you do your routine cleaning. Thirdly, after you have been using the brushes for a few weeks, the massive surface area of the brushes becomes home to millions of beneficial nitrifying bacteria that will help to purify your water biologically. Read more
102″ x 4″ (2600mm x 100mm) diameter.
Zeolite 10ltr (SuperFish)
Zeolite 10ltr (SuperFish)
Zeolite reduces the Ammonia in your pond creating a healthier environment for your Koi. It works by trapping and absorbing Ammonia, extracting it from your ponds water. Ammonia is the number one killer of pond fish, maintaining a health level of ammonia within in your ponds ecosystem is essential, and this product can aid in this process. As it absorbs the ammonia, soaking in salt overnight will release the entrapped ammonia enabling it to be reused. However, should you need to treat your pond with salt or other medications you must remove the Zeolite from your filter system as the entrapped ammonia will be released back into your system. Read more
- 10L – treats 10,000 litres