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Filter Media Grid
Filter GridThis Filter Media Grid can be cut or joined to suit any filter.Many customers use these grids to support media such as Alfagrog and FlocorSpecifications68cm (27") x 40cm (16")
Cloverleaf Absolute Pearls XL
Cloverleaf Absolute XL 2 + 1 Free
Absolute Pearls contain millions of microscopic nitrifying bacteria with the combination of fast acting bioactive enzymes that rapidly go to work breaking down any elevated and harmful levels of nitrite and ammonia along with helping to keep waste produced by dead algae and food from building up in your filter system and reduce sludge levels.
Quickly restores loss...
Ceramic Cylinder Airstones
Ceramic Cylinder Airstones
Angel Aqua Ceramic Air Stone Cylinder
The Angel Aqua range are high quality Korean airstones.
These airstones are a ceramic product and are made with special material and fired at very high temperatures.
They contain many pores and no corrosion or friction loss. Long life and strong against shock.
Bubbles are minute which provides excellent oxygen...
Lever Valve For Hose - 2 Way
Hose Valve - 2 WayControl Valve for PVC Ribbed and PVC Smooth Hose.Available Sizes3/8" (9mm)1/2"(12mm)3/4"(18mm)1"(25mm)
PVC High Pressure - Metric to Imperial Adapter
PVC High Pressure - Metric to Imperial AdaptorThese are the very best quality PVC Pressure Fittings that accept up to 16bar pressureNoteKoi Logic only sells the very best quality PVC FittingsKoi Logic use these same PVC Pressure Fittings on all of the Koi ponds and filter systems we have.Best Price GuaranteeThe Best prices on the internet for PVC Pressure Fittings
Anti Syphon Valve 4mm
Anti Syphon Valve 4mmAnti Syphon Valves are used to prevent water from syphoning back into air pumps which are sited below water level.SizeFits 4mm Airline.
Filter Media Sacks - Fine
Filter Media Sacks - Fine MeshThese fine media sacks are ideal for use with Lithaqua, Crystal Bio, Oyster Shells and any small quantities or small grade filter media.SpecificationsEach Fine Net measures 300mm x 450mm and comes with a drawstring top.Can be supplied in red or green
Microbe-Lift Nite Out II
MICROBE-LIFT NITE OUT II - SPECIALLY FORMULATED FOR RAPID AMMONIA AND NITRITE REDUCTIONMICROBE-LIFT®/NITE-OUT II is designed specifically for pond waters that contain marine life. Its highly specialized microbial consortium of nitrifying cultures is specially formulated to eliminate ammonia via a natural biological process termed nitrification. Remains active to 4°C ! (Best results from 13°C and...
Heavy Duty Solvent Weld - Multi Adaptor
Heavy Duty Solvent Weld - Multi AdaptorThis is an amazing adaptor, with so many options available for you to use.1. Flexi Hose 50mm will fit over the hose tail.2. The inside of the hose end of the hose tail is 40mm solvent waste size.3. The inside of the solvent end has a 1½" female thread.4. The outside of the solvent end is 50mm solvent waste size.So many things to use this fitting for in and around...
Bactogel - Filter Bacteria
Pond Support Bacto Gel
Bacto gel is comprised of living bacteria especially developed for the start up and maintenance of biological filtration through a nitrification effect, rendering harmful substances safe.
Bacto Gel is developed especially for filter systems, the gel formulation allows bacteria to adhere to the filtration media more effectively than liquid alternatives.
Bacto Gel shortens the...
NT Labs Koi Care - Acriflavin
NT Labs Koi Care - Acriflavin
Treats:
Fin, tail & mouth rot and ulcers.
When to use?
When fish show symptoms of a bacterial infection, or as a quarantine solution before adding new fish.
Acriflavin can be used in conjunction with Ulcer Swab and Propolis Wound Seal for the treatment of ulcers and other open wounds.
How to use?
Test your water quality...
Heavy Duty Solvent Weld - Socket/Male Thread
Heavy duty solvent "Male Thread to Socket Connector" for metric drainage pipe.
Internal Diameter of each size fitting:
40mm Male Thread to Socket Connector - Has an ID of 43mm
50mm Male Thread to Socket Connector - Has an ID of 56mm
NT Labs Koi Care - FMG Mixture
NT Labs Koi Care - F-M-G Mixture
Treats:
White spot, Trichodina, Costia and Chilodonella.
When to use?
When fish show symptoms of a parasitic or fungal infection, including white spots along the fins and body, flicking and rubbing, gasping at the surface, an opaque film over the body or fluffy, white growths.
How to use?
Test your water quality using NT Labs...
Best Filter Media Sack - Black
Best Filter Media Sack - Black
These strong drawstring net sacks are ideal for loose filter media, like plastic media, alfagrog and Crystal Bio, .
Material:
Nylon
Size:
450mm L x 300mm W
560mm L x 440mm W
Hailea V Series Air Pumps
Hailea "V" range of Air Pumps
- Super silent power air pump
- Adopts high quality aluminum alloy to make its case. It adopts double damping system and noise-absorbing system.
- It is highly efficient, energy saving, low in noise and safe.
- Double air chamber structure to produce large quantity of air and strong air pressure.It can work steadily and continuously.
V10 Air Pump
Flow...
TMC Spares - Pro Clear Hosetail
TMC Spares - Pro Clear Universal HosetailThis is the blue/translucent hosetail that fits the Pro Clear 30 watt and 55 watt TMC UVThe hosetail has a 1½" male thread with fitted 'O' Ring and accepts 1½", 1¼" and 1" hose.Sold in Singles
NT Labs - Medikoi Health Koi Food (6mm pellet)
NT Labs - Medikoi Health (6mm pellet)
Medikoi Health is a complete feed for all pond fish, containing high-quality, natural ingredients to help keep the immune system of your fish primed to fight off disease. In particular, the inclusion of Stimune and the beta-glucans it contains supports the continued formation of white blood cells, the most important part of any immune system. Medikoi Health...
BSP Male Thread x Hosetail
BSP Male Thread x HosetailBSP Male Thread to Hosetail enables a connection between a hose and a pond pump or piece of equipment.
Fernco Flexible Rubber Boot Connectors - Adapters
Fernco Flexible Rubber Boot Connectors - Adapters
Koi Logic have stocked and sold Flexi connectors for over 25 years, probably the first Koi centre in the UK to use Flexi Boots
This ''full'' range literally makes glue and existing hard fittings redundant. It allows you to connect all of your pipework to each other or to any product you wish to install.
The advantages...
Enviro ET Series Air Pumps
Enviro ET Series Air Pumps
The Enviro ET Series Air Pumps are linear diaphragm pumps. Quiet and vibration free.
Suitable for running continuously and are weatherproof. Maintenance required on the Enviro ET air pumps is a simple change to the filter.
ET30/ET40/ET60/ET80/ET100/ET120/ET150/ET200
- Green drive technology - energy efficient motors low power consumption.
- Specially formulated...
Crystal Bio - Shower Media 30-50mm
The Amazing Crystal Bio - Glass Shower Media
50 litres of Crystal Bio weighs only 7.5kg, making this the lightest shower media on the market - not to be confused with any other product claiming to be a direct replacement for Crystal Bio.
Crystal Bio is an extremely lightweight "shower" media, available at a fraction of the cost of existing "shower" media but offering improved results
Bacteria living...
Speck - Badu Top External Pump
Speck - Badu Top - The Best Koi Pond Pump Available From Koi LogicThe Speck Badu range are very reliable, high performance units suitable for continuous operation in freshwater, marine systems and even some mild corrosive chemical applications.Speck Badu materials that are in contact with the water are 316 stainless steel and composite plastic. At Koi Logic we currently have 14 x Speck Badu Top Pumps...
Hikari Gold Koi Food
Hikari Gold Koi Food
A color enhancing, daily diet developed to offer improved growth rates, superior form and excellent natural coloration.
Features of Hikari Gold
A daily, colour enhancing diet for koi rich in enhanced astaxanthin, a form of carotenoid. Provides active color enhancement helping to bring out all the natural beauty and true colours koi are known for.
High in...
Filter Foam - Set Of Three
Filter Foam - Set Of ThreeHigh 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.Three piece foam packs are available to fit virtually all types and sizes of biological box filters.SpecificationsThree grades of foam per pack - Fine - Medium - CoarseAvailable Foam SizesFoam Set 11" x 17"Foam...
Heavy Duty Solvent Weld Perforated Insert
Heavy Duty Solvent Weld - Perforated Insert
Perforated plastic insert to go into 4" x 4" x 10" foam
When used in conjunction with 40mm solvent tee's, cross tee's, and 90° bends to create your own size foam filtration pod.Ideal if you are making your own filter box and require fine filtration.
Please note: This only includes the perforated insert. The foam shown in the image is sold separately.
Airline 90° Bend 4mm
Airline 90° Bend 4mmAirline fitting for 4mm airlineSize4mm 90° Bend
Yamitsu - Algae Master UV Bracket
Yamitsu Algae Master UV Bracket
Fit your Yamitsu UV to the wall, fence or filter housing with this simple bracket.
Fits 15, 25, 30, 55 and 110 watt models. (will not fit the 11watt model)
Sold in singles, 2 needed per UV
Deluxe Liner Underlay - 2mtr Wide
Deluxe Liner Underlay - 2m wide
Deluxe underlay is a thick geotextile that is much tougher than the standard underlay. It can be used under all pond liners and is ideal on a rougher surface where roots, stones and other sharp objects may be present.
Roll size is 2m x 30m
Please note when fitting your liner every care should be taken to remove all sharp objects from the soil.
Liners...
Airline Hose PVC Black 4mm
PVC Black Airline Hose
This black airline is easier to conceal in and around the garden and pond.
Size: 4mm id - 6mm od
Length: Purchase in increments of 1 metre or a complete 30 metre roll
Note
Sunlight cannot penetrate this airline, so algae will not grow inside the airline which will help to maintain a good air flow.
Hikari Staple Koi Food
Hikari Staple Koi Food
A high quality, basic daily diet made from premium ingredients offering superior growth and health improving characteristics.
Features of Hikari Staple
Includes all the premium nutrition your goldfish or koi need to grow strong. Expect healthy growth and excellent form when using this diet on a daily basis.
High in stabilized vitamin C which promotes resistance...
Pre-Cut Premium Filter Wadding (50mm thick)
Filter Wadding For Fine FiltrationThis Filter Wadding has been especially constructed for use in external biological filters.Place the Filter Wadding in the final stage of your pond filter to trap fine particles, or on top of the media in one final chamber of the filter, ensuring the water flow is downwards through the Wadding.Use Filter Wadding if your pond water is cloudy, murky or green. Works very...
Kusuri Dechlorinator
Kusuri Dechlorinator
Kusuri Dechlorinator removes Chlorine, Chloramines, heavy metals, such as Zinc and Lead from mains tap water. Kusuri Dechlorinator removes these unwanted potentially toxic substances.
Kusuri Dechlorinator can also be used when moving fish in transportation bags or isolation tanks whether in tap water or not.
Directions:
Measure correct dose for the volume...
NT Labs - Medikoi Wheatgerm with Garlic - 6mm
NT Labs Medikoi Wheatgerm (6mm pellet) with Garlic
Protect your Fish from Parasites. Medikoi Wheatgerm with Garlic is formulated to protect your fish from parasites. Garlic is rich in sulphur containing compounds which give it it's characteristic smell. These compounds are known to have repellant properties. The volatile oils in garlic diffuse through the skin of the fish and into the mucus...
NT Labs - Magiclear - Clears Green & Cloudy Water
NT Labs Pond Aid MagiclearFor a crystal clear pond. Flocculates particles in water assisting in filtration, improving clarity rapidly. Harmless to fish and plants.Magiclear safely removes suspended solids from the pond water leaving the water crystal clear. Magiclear causes particles in the water to clump together and settle to the bottom.If a pumped filter is in use the clumps will be removed by the...
Pre Filter Cartridge - 5 micron
Replacement Pre Filter Cartridge 10" Pre Filter Cartridge for the 10" filter housing Size5 micron Cartridge10 micron Carbon CartridgeThe 5 micron cartridge is mainly used as a pre filter to a water purifierThe 10 micron carbon cartridge is used as a stand alone purifier or used in the 10" twin pod purifier.
Evolution Aqua 3/8" BSP 12mm Male Stud Connector
Evolution Aqua 3/8" BSP Male Stud ConnectorFor use withNexus 210 Eazy FilterNexus 310 Eazy FilterEazy PodEazy Pod AirSize3/8" BSP Male Stud Connector
Slide Valve Replacement Seals
Slide Valve Replacement Seals
With time slide valves that are used regularly will wear their seals resulting in small drips or leaks.
These valves could just be removed and disposed with and a replacement valve fitted at some cost.
Why not consider a pair of replacement seals for the existing slide Valve.
These will cost a fraction of the price of a new valve and are very easy to fit...
Kusuri Acriflavin
Koi Pond Medication - Kusuri AcriflavinThis medication is a liquid preparation, used as a general anti-bacterial, also useful for the treatment of external fungal infections.Acriflavine is also reported to help in the reduction of minor viral infections. It can be used safely in salted ponds. Acriflavine can be also be used as a bath treatment. Dosage:10mls to 100 gallons. The normal course is 3 treatments...
Airline Straight 4mm
Airline Straight 4mmAirline fitting for 4mm airlineSize4mm Straight
Yamitsu Algae Master UV Quartz Sleeves
Yamitsu - Algae Master UV Quartz Sleeve
What is the Quartz Sleeve?
The quartz sleeve is the outer glass sleeve that seperates the water flowing through a UV unit and the electrical lamp inside the UV unit.
Can I maintain the Quartz Sleeve?
It is very important to maintain the quartz sleeve on a yearly basis, maintenance should include removing the quartz sleeve from the...
Micro Air Flow Control Valve (4mm)
Micro Air Flow Control Valve
These flow control valves fit 4mm pvc aquarium or pond airline and silicone aquarium or pond airline.
Enables the control of each 4mm airline from a koi air pump, pond air pump, aquarium air pump.
NT Labs Koi Care - Formaldehyde
NT Labs Koi Care - Formaldehyde
Treats:
White spot, Trichodina, Costia and Chilodonella.
When to use? When fish show symptoms of a parasitic infection, including white spots along the fins and body, flicking and rubbing, gasping at the surface, or an opaque film over the body.
Formaldehyde is highly effective at treating parasites due to its ability to penetrate through...
Strainer - Stainless Steel - Male Thread
Strainer - Stainless Steel (Male Thread) These Stainless Steel Filter cages are ideal for K1/Bio Cell conversions.Customers use them in block built filters as a straining method between transfer ports vortex's etc.Ideal for use with the brass non return valves as a strainer when the valve is used as a "foot Valve" for a pump.NoteThe picture shows the strainer in use with a brass non return valve, the...
Hose Connector - Y Piece
Hose Connector - Y PieceConnector for PVC Ribbed and PVC Smooth Hose.Available Sizes3/8" (9mm)1/2"(12mm)3/4"(18mm)
AquaForte - Strong Fix & Seal - Black
Aqua Forte Super-Strong Fix & Seal - 310ml gun tubeSuper-strong Fix & Seal is a high quality permanent elastic glue & sealer.This product has the unique ability to seal different materials to each other & replaces/combines the qualities of all standard glues & sealers (i.e. silicone, acryl, butyl, etc.)UsageUse for sealing or connecting:FlangesTPRsGPRsWaterfall lipsSkimmer faceplatesBottom...
Kusuri Klear
Kusuri Klear
Klear contains beneficial nitrifying bacteria essential for filters, plus denitrifying bacteria to reduce ammonia. Kusuri Klear, as its name implies, will increase water clarity and reduces water discoloration and foam in ponds.
Kusuri Klear is a highly concentrated liquid containing selected communities of nitrifying and denitrifying beneficial bacteria.
Kusuri Klear eliminates...