Best Selling
Aqua Gravel - Smooth Edge
Planting/Aqua Gravel - Smooth Edge
Place Aquatic Gravel on the top of the aquatic soil to a depth of around 1", this will ensure the plant or soil cannot wash out or float from the .
NT Labs Koi Care - Zeolite
NT Labs Koi Care - Zeolite including free media bag
Why to use?
For rapid ammonia revoval from pond water.
When to use?
For best results, use throughout the year and recharge regularly.
Recharge and top up when water quality begins to fall.
How to use?
Place into the filter bag provided and rinse under the tap.
Place in the filter in an area with a strong...
Standard Skimmer - Black
Standard Skimmer
Ideal for keeping the water surface clear of floating debris, such as leaves or dust of fish food.
An essential item of any serious koi pond. To be built in to the edge of the pond at the time of construction.
Solvent fitting to plumb this skimmer is not included, so please order 1 x "40mm solvent socket to male thread" for the outlet of the skimmer.
Standard Skimmer...
NT Labs - Nitrite Water Test Kit
NT Labs - Nitrite Water Test Kit
What is nitrite?
Nitrite is produced by beneficial filtration bacteria as they break down the harmful waste ammonia excreted by the fish. Like ammonia, it is not visible to the naked eye. Although it is not as toxic as ammonia, nitrite is still very damaging to the health of the fish. Nitrite itself is broken down into nitrate, which is practically harmless...
TMC Pro Pond Titan UV Clarifier 110 Watt - Version 2 - NEW LOWER PRICE FOR Spring 2026
NEW LOWER PRICE FOR SUMMER 2025
TMC Pro Pond Titan UV Clarifier 110 Watt - Version 2 *NEW*
Tropical Marine Centre, pioneers of ultraviolet pond clarifiers for 30 years, proudly present the next generation of pond clarifiers!
Using the latest photocatalytically enhanced UV technology, the Pro Pond TitanUV is up to 1.5 times more effective than a standard UV clarifier, producing hydroxyl radicals...
Rubber Air Diffuser (Hose Type)
Angel Aqua Rubber Air Diffuser (Hose Type)
A soft, porous rubber (EPDM) diffuser able to be bent in any shape required.
Ideal for growing on tanks and aquariums.
Sizes available
A - 300mm x 10mm
B - 450mm x 10mm
C - 600mm x 10mm
D - 750mm x 10mm
E - 900mm x 10mm
Air-Aqua Active Mix Bio
Active Mix Bio
Biological harmony in your pond
Active Mix Bio is a combination of substances including photosynthetic and lactic acid bacteria, yeasts and trace elements. This combination has a positive impact on the natural balance and biological life resulting in a perfect equilibrium. It also strongly promotes the biological conversion of ammonia and nitrites into nitrates. The fact that...
Saki Hikari - Balance Koi
Saki Hikari - Balance Koi
A professional use daily diet for koi which promotes development of a healthy, voluminous body.
Features of Saki Hikari - Balance Koi
The nutrient balance offers a readily accepted taste most koi love.
Significantly improved feed efficiency offers active waste reduction. This can translate to improved pond bio-action effectiveness which normally means...
Kusuri Eco Pure
Kusuri Eco-Pure
Eco Pure inhibits blanket weed and string algae, flocculates particulate matter, increases water clarity, degrades sludge.
Kusuri Eco Pure added weekly will reduce blanket weed and string algae by dramatically reducing Nitrate and Phosphate. Kusuri Eco Pure coats the blanket weed starving it of nutrients. In some ponds Eco Pure can work as quickly as 2 weeks, most ponds can...
Hosetails - 1¼" Threaded
Hosetail Stepped
These hosetails are ideal for attaching flexible hoses to either solvent or threaded fittings.
Type D
BLACK - BSB Threaded 1¼" to Stepped Hose Connector ½", ¾", 1", 1¼" & 1½"
Nut for thread turns this hosetail in to a "Stepped Hose Tank Connector"
Use silicone to create a waterproof join when using...
ITT Argonaut AG Series Pumps
ITT Argonaut AG Series Pumps
Highly Recommended. We have used the ITT Argonaut range of external pumps for over 25 years.
The AG Series Pumps have proved to be a very popular range due to the high build quality and reliability.
The AG Series Pumps offer low running costs with high performance. Extremely quiet and will pump either fresh or salt water.
The AG Series Pump Specifications
- Incorporates...
AquaForte Impermax Aqua Liquid Pond Liner - Black
AquaForte Impermax Aqua Liquid Pond Liner - Black
Advantages of using Impermax
Impermax Aqua is an ideal liquid rubber pond liner suitable for a host of situations and surfaces that is simply painted on.
The product is based on polyurethane (drinking water approved according to EEC directive 98/83/CE) and provides a smooth, seamless membrane.
The finished membrane is constructed...
Hailea CP - AC/DC Air Pumps
The Hailea CP Air-Pump can auto switch between AC Power and DC Battery Power, so in the event of a power cut your fish will have an oxygen supply for up to 8 hours, making this air pump an essential piece of equipment for any serious Koi keeper.
Can be used as a portable air source whilst transporting fish, with a run time up to 8 hours. It also has integrated retractable handle for ease of maneuverability.
The...
Nishikoi - Staple Koi Food
Nishikoi Staple Koi Food
The highly digestible protein in Nishikoi Staple allows the fish to utilise it more efficiently which also results in cleaner pond water too. With stabilised Vitamin C this makes it an ideal maintenance diet in the warmer spring and summer months for all ornamental pond fish including Koi and gives them a much-needed boost. The Staple range is available in small, medium...
NT Labs - Foamclear - Anti-foam
NT Labs Pond Aid FoamclearFoamclear is designed to breakdown the froth in garden ponds, created by an excessive build up of protein in the pond water. The more protein that is present the larger the amount of foam. Foamclear will breakdown the froth, allowing carbon dioxide to escape from the water and helping to maintain the correct pH.Foamclear is non toxic, harmless to plants, harmless to all fish...
Standard Skimmer - Wide Angle Black.
Standard Skimmer
Ideal for keeping the water surface clear of floating debris, such as leaves or dust of fish food.
An essential item of any serious koi pond. To be built in to the edge of the pond at the time of construction.
Solvent fitting to plumb this skimmer is not included, so please order 1 x "40mm solvent socket to male thread" for the outlet of the skimmer.
Standard Wide Angle...
Basket for standard Mega Skimmer - Black
Replacement basket for the Standard Skimmer and Wide Angle Skimmer
Giganterra Digital Thermometer
Giganterra Digital Thermometer with Probe
Range: -9°C to 110°C (15.8F to 230F)
Big display, compact size
Measuring probe with 90cm of cable
Easy to use
Battery included (LR1130)
NT Labs - Algae Stopperz - Barley Straw Pellets
NT Labs - Algae Stopperz - Barley Straw Pellets
Barley Straw pellets for natural prevention of algae and blanket weed.
No mess, no trouble blanket weed or algae
.
Pond Aid Algae Stopperz - Barley Straw Pellets will clear and control algae (green water), Blanket weed, Thread Weed and Duck Weed.
NT Labs - Pond Aid Algae Stopperz - Barley Straw Pellets are safe with all Pond Fish, Sturgeon...
NT Labs - Hardness GH & KH Water Test Kit
NT Labs - Hardness GH & KH Water Test Kit
What is KH?
KH, also known as “total alkalinity” or “carbonate hardness”, is a measure of the buffering capacity of the water in your pond. The buffering capacity refers to how well it can resist changes in pH.
What is GH?
General Hardness is a measure of the total amount of minerals dissolved in the water....
PVC Imperial High Pressure - Threaded Back Nut
PVC Imperial High Pressure - Threaded Back Nut
PVC Imperial Threaded Backnuts are for applications that require you to create a seal against a pond wall, filter tank, growing on tank, quarantine tank or any flat surface where a tighter connection is needed.
Click here for a full range of sealers for use with these backnuts
Kusuri Sludgebuster
Kusuri Sludgebuster
Sludgebuster contains selected bacteria to efficiently bio-degrade sludge and detritus in ponds, pipework, filters and areas hard to clean such as folds in pond liners. Regular use prevents accumulation of organic sediments and is ideal as a spring and autumn treatment.
Kusuri Sludgebuster contains selected bacteria to efficiently bio-degrade sludge and detritus in ponds,...
Leaf & Debris Skimming Net - Head Only
Leaf & Debris Skimming Net - Head Only
This deluxe skimming net is Ideal for removing leaves and debris from the surface of the pond.
Specifications:
Made of strong plastic.
Universal swimming pole attachment for fitting to adjustable poles.
This fine micro nylon mesh net, ensures small and large debris is skimmed with ease and removed from the pond.
Fits the 6'...
Proline Digstat Controller - With 3 metre Probe
Proline Digstat Controller - With 3 metre Probe
The ProLine Digi-Stat is designed to give automatic temperature control for Koi ponds.
Operating in the range of 0° to 30°C this highly accurate stat will hold the water temperature within ± 0.1°C. The unit is programmed with an automatic temperature gradient control which eliminates temperature shock for the fish when...
Spindrifter 4" Pressure Bottom Drain For Concrete
SPINDRIFTER 4" PRESSURE BOTTOM DRAIN FOR CONCRETE
The Spindrifter bottom drain is known worldwide for its quality and design. This unit completely replaces the "Standard Bottom Drain."
The most noticeable feature is the extra connection in the sump of the drain. This allows the air supply hose to enter the sump independently of the water outlet pipe, thus eliminating the possibility...
NT Labs - CristalClear - Duckweed Control
NT LAbs - CristalClear - Duckweed Control
Pond Cristalclear Duckweed Control, controls the unsightly spread of duckweed in pond water. It works by reducing the duckweeds natural food source thus eliminating future growth and helping to keep your pond water free from duckweed.
Deprives duckweed of essential nutrients
Inhibits the Growth of Algae
Easy to Use
Use Duckweed Control regularly for a cleaner...
Roto Koi Treats - Black Solider Fly
Roto Koi Treats - Black Soldier Fly
For Growth & Metabolism Support
High in Calcuim, phosphorus and magnesium.
Roto Black Soldier Fly Typical Analysis
Protein 58%
Crude Fats & oil 19%
Crude Fibres 10%
Crude Ash 7%
Roto Koi Treats - Black Soldier Fly are supplied in 3 and 5 litre bucket sizes
Foam For Cloverleaf Filters
Spare Foam set to fit Cloverleaf Filters
Replace your old foams if damaged or heavily blocked.
Pack contains: 1 x Black foam, 1 x Green Foam & 1 x Blue Foam
Available in 3 sizes:
11" diameter (with 50mm hole in middle for 2" pressure or 50mm solvent pipework)
18" diameter (with 75mm hole in middle for 3" pressure or 82mm solvent pipework)
22" diameter (with 100mm hole in middle for 4" pressure...
Saki Hikari - Growth Koi
Saki Hikari - Growth Koi
A daily diet offering outstanding growth characteristics to help the advanced hobbyist develop jumbo sized champions!
Features:
Expect accelerated growth and championship form! During the development of this diet primary consideration was given to the natural, omnivorous requirements of Nishikigoi. With this in mind Hikari® developed an exacting blend of...
JDP Yamato Nishiki Koi Food
JDP Yamato Nishiki Koi Food
JPD Yamato Nishiki Koi Food is a highly nutritious floating koi food made from only natural ingredients.
JPD Yamato Nishiki Koi Food is a specialist koi food that will provide the best solution to keeping your koi in prize condition. Containing natural ingredients and no artificial colours or preservatives, maintaining the health of your koi.
With JPD Yamato...
AquaForte Compact Sieve with Lid
AquaForte CompactSieve with Lid
Compact version of the UltraSieve for use only in a pump fed configuration. Very easy to use: a dirty water pond pump is connected directly to the CompactSieve input. The water flows through the sieve which removes all particle matter down to a size of 300 micron. The CompactSieve must always be installed above pond level.
Mechanical sieve, Improves water clarity.
Pump...
Blagdon - Enhance LED Pond & Garden Lights
Blagdon Enhance LED Pond and Garden Lights
These Blagdon Enhance Lights use LED technology, giving you lower running costs and a hugely longer bulb life. They come with a stake and a submersible tray so you can put it in your garden or in your pond.
Features:
They have an installation range of up to 18 metres*
A high quality, 3 watt per light for the 3 and 5 light sets, 0.76...
Oase Pond Pads
Oase Pond Pads
Oase Pond Pads provide an extremely effective bio-filter media featuring an innovative surface and pore structure. This high-performance Oase Pond Pads filter medium has been used in industry and waste water technology and further-developed by Oase to be optimised especially for use in filter systems for koi ponds, swim ponds and garden ponds. Thanks to Oase Pond Pads extremely large...
NT Labs Koi Care - Flukasol
NT Labs Koi Care - Flukasol
Treats:
Skin and gill flukes.
When to use?
When fish show signs of a fluke infestation, including flicking, gasping, excessive mucus or lethargy, preferably after confirmation of your diagnosis by microscopy.
Flukasol is an easy-to-use, liquid suspension of flubendazole, which targets skin and gill flukes.
How to use?
Test your...
Evolution Aqua Airtech Air Pumps
Evolution Aqua Airtech Air Pumps
Reliable and economical air pumps
As we all know, oxygen is vital to all aquatic inhabitants whether they are Koi, goldfish, tropical / marine fish or bacteria.
The EA Airpump range provides high performance diaphragm air pumps for all fishkeepers.
The range was purposely developed for fishkeepers to deliver that essential element into their ponds - specifically...
Solvent Reducing Bush
Solvent Reducer Bush
To convert from 50mm solvent metric pressure to 1½ solvent imperial pressure
To convert from 63mm solvent metric pressure to 50mm solvent heavy duty black waste
Evolution Aqua 12mm Y
Evolution Aqua 12mm YFor use withNexus 210 Eazy FilterNexus 310 Eazy FilterEazy PodEazy Pod AirSize12mm Y
Kusuri Super C Special Pond Cleaner
Kusuri Super C Special Pond Cleaner
Super C Special increases hygiene and breaks down organic waste in filters and pond systems.
Kusuri Super C Special is a proprietary blend of active enzymes and minerals formulated to break down harmful organic matter into inorganic matter, which can then be flushed from filter systems and bottom drains to waste. This allows more beneficial bacteria to...
Norfine Fast Flow Net Head
Norfine Fast Flow Net Heads
Fast Flow 20mm Net Mesh
20mm fast-flow mesh, click fitting Koi Pan Net head for click fitting telescopic handles.
Faster through the water than normal koi nets, makes using these Norfine Fast Flow Nets easier to catch your koi.
Sizes Available
29" (74cm) Net Head
Bottom Drain - COMPAC - No Sump
Bottom Drain - COMPAC Type - No Sump
COMPAC Bottom drains are ideally suited for use in Koi holding tanks, Koi growing on tanks or as a side feed on a pond.
The COMPAC Bottom drain range is designed to accept solvent black waste pipe and not the imperial grey pressure pipe.
Adaptors are available to allow imperial grey pressure pipe to fit these drains, please call us to discuss your requirements.
Available...
Envirex
Lincs Fish Health - Envirex
A product which is a combination of naturally occuring substances harnessed to benefit all ponds. Works quickly to lower ammonia and nitrite. It can also balance fluctuations in acidity and alkalinity.
Dose
New pond dose: 80gms per 1000 gallons
Mature pond dose: 40gms per 1000 gallons.
Maintenance Dose 5gms per 1000 gallons should be added every 3 to 4...
Speck - Badu Top Circulating Pump
Speck - Badu Top Circulating PumpThe Speck Badu Top Circulating Pump is a very versatile pump ideal for use on any Koi pond system.A quality German built pump ideal for circulating water from skimmers or used as a main filter pump.Available in the following two sizes:Speck Badu Top 42/5 - (10,000lph / 2200 gph @ 4m head) (300 watts)Speck Badu Top 42/8 - (15,000lph / 3300 gph @ 4m head) (400 watts)Speck...
ET Air Pump Service Kits 30 to 120 model
Service kit for the ET range of air pumps
Includes:
2 diaphragms
1 filter
1 magnet.
For the following sizes of ET Air Pumps
ET30
ET40
ET60
ET80
ET100
ET120
It is recommended to service ET air pumps every 18 months.
NT Labs - Sludgeclear
NT Labs - Sludgeclear
Use when there is a build-up of sludge on the bottom of the pond, use after addition of algae and blanket weed treatments. Sludgeclear is a blend of enzymes and bacteria designed to digest organic material leading to a cleaner pond and filter with fewer opportunities for disease-causing organisms to hide. Sludgeclear supports and encourages the activity of the biological filter...
Rein Fibres - For Cement Render
Rein Fibres
To be used to strengthen cement render.
An essential reinforcing additive for reducing the risks of cracks in your rendering.
Add to mixing water not the cement.
Note: Use 1kg per cubic metre of sand/cement mix
Bag Size: 1 kg of fibres
T5 UV Lamps
T5 UV Lamps
Also know as T5 UV Bulbs and T5 UV Tubes
Replacement tubes available in various sizes, compatible with most makes of smaller sized UV`s including Yamitsu, TMC, ect.
When do I need to change my UV tube?
Lamps used for clarification of ponds can be replaced once a year (approx. 8000 hrs) without detriment to the effectiveness of the unit under normal circumstances. Whilst...
Deluxe Foam - Complete Set of Five
Complete Deluxe Foam - Set of FiveThe complete deluxe set of five gives you the following:3 x Replacement Foam - Coarse - Medium - Fine - Use this to trap particles and aid the biological capacity of your pond. 1 x Carbon Impregnated Foam - Use this to improve water quality, lower ammonia, nitrite ect.1 x Filter Wadding 50mm thick - Use this to polish the pond water and make it sparkle.Sizes Available11"...
G4 Pond Sealant - Clear
G4 Pond Sealant - Clear
Ideal for sealing concrete rendered ponds
G4 Pond Seal is a moisture cured polyurethane which forms a non-porous seal on concrete rendered ponds, G4 uses the moisture in the air and the render to harden, it can be applied to slightly damp surfaces, but it is important that the render is sufficiently dry to be porous so as to enable the first coat of G4 to bond...

































































