Aquarium Accessories

Finest Filters stocks a wide collection of aquarium accessories, including aquarium maintenance kits, moss cultivation ceramic platforms (in various sizes) – as well as aquarium thermometers and syphon kits. Our aquarium accessories are totally aquatic safe. You can enjoy free UK shipping with no minimum order quantity, as well as same-day despatch on orders placed before 4pm. Browse our range of aquarium accessories below.

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  1. External Filter Booster - Add-On Filter (2 Sizes)

    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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  2. Premium Heavy Duty Egg Crate - Mounting Plugs (10 Pack)

    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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  3. Premium Heavy Duty Egg Crate (3 Colours)

    Finest Filters premium heavy-duty egg crate is supplied in convenient sized 26cm x 20cm pieces which can easily be joined using the unique joints moulded to each side. This allows larger pieces and custom shapes to be made to suit your application.

    This egg crate is a much stronger, thicker (14mm) and heavier duty egg crate than our standard range that we offer. This egg crate can also be used with the mounting plugs (sold separately) to raise the egg crate off the bottom of the aquarium.

    Available in Black, White or Transparent.

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  4. Ista Hang-On Breeding Box

    The Ista hang on back breeding box hangs 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.

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  5. Ista Glass CO2 Diffuser External Filter Outlet

    The Ista glass CO2 diffusers are a handmade, elegant diffuser that will connect to the outlet of an external canister filter to allow effective dissolving of CO2 into the water column.

    Simply connects to the canister filter outlet tubing, replacing the original filter outlet.

    These diffusers are available to suit either a 12mm or 16mm internal diameter hose.

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  6. Ista 62mm Mini Thermometer

    The Ista mini glass submersible thermometer is a very accurate analogue thermometer for accurately reading the temperature in your aquarium.

    Specially created for small nano tanks, these thermometers are only 62mm long, meaning they do not take up much room in the tank. They are a very accurate thermometer.

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  7. Ista Intake Strainers

    The Ista replacement strainers are ideal for replacing a damaged inlet strainer on an external canister filter, or for adding onto a powerhead to prevent fish being pulled into the pump.

    These strainers are supplied in a pack of 2, and we have two different inlet sizes available (10mm internal, 16mm external) or (14mm internal / 18mm external). Please select the required size from the drop down menu when ordering.

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  8. Hidom Automatic Fish Food Feeder Dispenser - AF-201

    The Hidom AF-201 automatic digital feeder is ideal for automatically feeding your aquarium up to 4 times per day.

    The feeder has a large high quality LCD screen to allow for easy setting of the feed time and volume to be fed. This feeder also has a unique dampproof design meaning that the feed dispense hole is kept closed when the feeder is not operating to prevent condensation and moisture entering the food. This in turn keeps the fish food fresh inside the feeder.

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  9. Ista Multi-Function Spawning Cone

    The Ista multi-function ceramic spawning cone is made from high quality materials and has a rough surface which is perfect for egg attachment during spawning.

    Can be fixed to the glass using the supplied silicone suction pads, or can be laid down on the substrate in the tank.

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  10. Ista Water Plant Cultivation Mesh - 4 Pack

    The Ista water plant cultivation platforms are supplied in a pack of 4, and provide an ideal surface for growing of plants such as java moss.

    These platforms come in a 3 section design, allowing for substrate to be used in the bottom layer, and moss in the centre, with a top cover to prevent the moss from moving while it roots to the substrate.

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