Aquarium Accessories

Discover miscellaneous yet essential and practical fish tank accessories, including aquarium cleaning equipment, water treatments, fish tank supplements, and more at Finest Filters. You’ll find everything you need to keep your fish tank - and your pet fish - in good condition in our online collection.
From aquarium maintenance kits to moss cultivation ceramic platforms and from fish tank thermometers to syphon kits, our range of aquarium accessories is extensive and varied. Whether you’re looking for the finishing touches to your fish tank in terms of decoration or a missing piece of equipment, you’ll find every aquarium accessory you can think of at Finest Filters. Whatever you’re buying, you can be sure that all of our fish tank accessories are totally aquatic safe.
Our aquarium accessories collection includes important cleaning equipment to help keep your fish tank clean, versatile PVC tubing, essential aquarium equipment spare parts, water treatments, and specialist aquarium supplements. These fish tank supplements include the likes of mineral salts for goldfish, and for tropical fish, as well as clarifying nitrifying bacteria, dechlorinator and ammonia removers, and CO2 tablets for your home aquarium. Meanwhile, the water treatments you’ll find in our aquarium accessories collection includes Ista Methylene Blue, which has been used by generations of fishkeepers over the years to combat fungal and bacterial infections in your fish tank.
If you’re looking for more fun, decorative fish tank accessories, check out our collection of aquarium ornaments. Please don’t hesitate to contact us if you have any questions about any of our aquarium accessories.
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Premium Heavy Duty Egg Crate - Mounting Plugs (10 Pack)£2.99
Stackable mounting plugs to raise the Premium Heavy Duty Egg Crate off the bottom of the aquarium.
Sold in a pack of 10.
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External Filter Booster - Add-On Filter (2 Sizes)As low as £19.99
Our external filter boosters are designed to be used alongside an existing external canister filter to quickly and easily increase your filtration volume. These filter canisters do not have a pump, so they are connected into the water exit line on your existing canister filter and pumped through this booster unit.
These filter boosters are available in two different sizes. The small one holds 1.2 litres, and the large one 2.3 litres. They also have different pipe diameter connections.
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Quick Release Control Valve'sAs low as £10.99
These high quality aquarium quick connection valves are ideal for a wide variety of installations, and feature double taps with a quick release, no backflow mechanism.
Available in 12/16mm or 16/22mm versions.
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Brine Shrimp / Artemia Incubator & Hatchery KitAs low as £15.99
Our brine shrimp (Artemia) hatchery is ideal for hatching live brine shrimp eggs at home. Live brine shrimp are an ideal food for baby fish or fish that will only accept live foods.
In order to use the hatchery, a suitable air pump is required. We sell these kits without an air pump, or with an air pump if required.
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Aquarium Pipe Clips with Suction Cups (Pack of 10)As low as £4.99
Pack of 10 x detachable black suction cups with brackets. These quality suction cups provide strong and long lasting adherence to both glass and acrylic aquariums.
Available in: 6mm, 10mm, 12mm, 16mm, 20mm, 23mm & 28mm size clips.
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Undergravel Aquarium Filter Kit's (Various Sizes)As low as £6.49
Finest Filters Undergravel filter tray – a proven very efficient biological and mechanical filter. Placed underneath the gravel in the aquarium. These interconnecting pieces are ideal for covering all sizes of aquariums, and multiple sets can be used and interlinked for larger aquariums.
Our undergravel filters are available in 3 sizes – 24 Piece, 28 Piece and 32 Piece.
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Inlet/Intake Strainer Pre-Filter Foams Course & FineAs low as £6.99
Pack of 2 intake pre filter foams ideal for use with external canister filter inlets.
Each foam measures 120mm long, 60mm total diameter and internal hole 15mm diameter. The foams are sealed on one end and open on the other. The hole can be widened for larger intake tubes if required.
The coarse 25ppi foams are ideal for general use, and the 40ppi are ideal for tanks with very small fish such as fry or shrimp aquariums.
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ATM Mirage Non-Toxic Acrylic & Glass Cleaner£10.99Out of stock
Mirage acrylic and glass cleaner offers worry free and efficient cleaning of the aquarium display and trim. It is 100% Non-Toxic and nothing cleans, polishes, and maintains the viewing experience of your aquarium quite like Mirage. Mirage, the #1 glass and acrylic cleaner guaranteed to do the job while leaving no streaks, repelling dust, water spots, and fingerprints.
Bottle size: 8oz (236ml), all with handy spray pump lid.
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Ista Planaria Flatworm Worm Trap£11.99
The Ista glass planaria trap is ideal for catching pest flatworms in your aquarium. This trap has three holes and is ideal for use in both marine and freshwater aquariums.
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Ista Shrimp Feeding Dish£4.99
The Ista shrimp glass feeding dish is the ideal way to feed shrimp and other inverts in the aquarium.
Using the dish prevents shrimp food from falling into the substrate and breaking down before being eatten and effecting the water quality.
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Ista Floating Fish Net's (10", 12", 14")As low as £8.99
The Ista range of catch nets are made from a very soft fine material which reduces stress on fish when being captured from the aquarium. These are a very durable style net with ergonomic floating plastic handle.
Suitable for use in both freshwater and saltwater aquariums.
These nets are available in three sizes - 10", 12" or 14".
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Ista Aquarium Hose Holder£4.99
The Ista Hose Holder is ideal for securely holding hoses on to your aquarium during water changing. The clip is able to be tightened onto most aquariums and held securely in place to prevent the hose from being removed from the aquarium.
The clip is compact in size and easy to fasten.
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Ista Vortex Water Flow Accelerator Outlet NozzleAs low as £14.99
Ista Vortex Water Flow Accelerator are made from high quality plastic and can increase the outflow from the filter outlet by up to 400%. This increases the overall circulation in the aquarium, minimising deadspots.
The Vortex Flow Accelerator has multiple flexible ball joints, allowing you to divert the flow any direction you wish.
These Vortex Flow Accelerators are available in three BSP sizes; 1/2", 3/4" and 1".
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Ista Hose Adapter / Reducer 16mm - 12mm£3.99
The Ista Hose Adapter is ideal for safely reducing 16mm hose to 12mm (or visa versa), without the worry of leaks.
The hose fastening nodes secure the hose tightly in place preventing it from being able to be removed without physically unscrewing.
Suitable for both freshwater and marine aquariums.
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Ista CO2 / Air Pipe Holder£2.99
The Ista CO2 Air Pipe Holder set is ideal for preventing kinking of the airline / CO2 tube in the aquarium.
The pipe holders simply clips onto the rim of the aquarium allowing, you to clip the airline into the smooth bend preventing kinking. This also prolongs the lifespan of the air / CO2 tube.
Suitable for all 4/6mm tubing. Pack contains two clips and two suction cups.
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Ista Separation Net£4.99Out of stock
The Ista Separation Net safely houses livestock such as fish and shrimp in the main aquarium, without exposing them to the other fish in the aquarium. This makes it ideal for pregnant fish, small fry or fish that are being harassed by their tank mates as well as various other applications.
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Ista Hang-On Separation Box£14.99
The Ista Hang On Seperation box is intended to hang on the back of the aquarium, therefore not occupying space in the aquarium.
Simply connects to an air pump to provide constant circulation of aquarium water.
It is suitable for breeding fish, rearing baby fry, rearing shrimp, or isolating sick / aggressive fish.
The box measures 26cm x 14.5cm x 13.5cm (L x W x D).
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Aquarium Partition Divider Bracket with Suction Cups - 2 Pack£2.49
You can easily divide your tank into several compartments with these divider holders. Handy clips to divide a bigger fish tank into several compartment for breeding or separation.
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Aquarium Partition Divider Bracket with Suction Cups - 4 Pack£3.49
You can easily divide your tank into several compartments with these divider holders. Handy clips to divide a bigger fish tank into several compartment for breeding or separation.
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Aquarium Partition Divider Bracket with Suction Cups - 6 Pack£4.49
You can easily divide your tank into several compartments with these divider holders. Handy clips to divide a bigger fish tank into several compartment for breeding or separation.
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