Marine

Explore our extensive range of marine aquarium products, carefully selected to help you create, maintain and enjoy a healthy and thriving saltwater aquarium.

At Stockport Marine & Koi, we stock everything you need for marine and reef keeping, from aquariums, filtration and lighting to pumps, treatments, foods, supplements and essential maintenance equipment.

Whether you’re setting up your first marine aquarium, developing a reef system or maintaining an established tank, you’ll find quality products from trusted brands alongside expert advice from our experienced team.

Browse our marine aquarium supplies and equipment below and find everything you need for your marine setup in one place.

Showing 31–60 of 234 results

  • D&D ClariSea Replacement XL Fleece SK-5000 (40m)

    D&D ClariSea Replacement XL Fleece SK-3000 (40m)

    £14.99

    The D-D ClariSea Replacement XL Fleece SK-3000 (40m) is a high-quality replacement roll designed for the ClariSea SK-3000 automatic fleece filter system. It provides efficient mechanical filtration for marine and freshwater aquariums, removing fine particles, detritus, and organic waste to maintain crystal-clear water.

    With a 40-metre XL length, it offers extended lifespan and fewer replacements compared to standard rolls. The fleece automatically advances as it clogs, ensuring continuous, low-maintenance filtration.

    Ideal for reef and fish systems, this durable, recyclable fleece improves water quality, reduces maintenance, and supports a cleaner, healthier aquarium environment.

  • D&D ClariSea Replacement XL Fleece SK-5000 (40m)

    D&D ClariSea Replacement XL Fleece SK-5000 (40m)

    £19.99

    The D-D ClariSea Replacement XL Fleece SK-5000 (40m) is a high-capacity filter roll designed for the ClariSea SK-5000 automatic fleece filtration system. It provides highly efficient mechanical filtration for marine and freshwater aquariums, removing fine particles, detritus, and organic waste to maintain crystal-clear water.

    With a 40-metre XL length, it offers extended lifespan and fewer replacements, making it ideal for high-demand aquarium systems. The fleece automatically advances as it becomes clogged, ensuring continuous, low-maintenance filtration and consistent water flow.

    Perfect for reef tanks and heavily stocked systems, this durable and recyclable fleece helps improve water quality and supports a cleaner, healthier aquarium environment.

  • D&D Dual Heating and Cooling ControllerD&D Dual Heating and Cooling Controller

    D&D Dual Heating and Cooling Controller

    £49.99

    D&D dual heating cooling controller, aquarium temperature controller, heater chiller controller, marine aquarium thermostat, freshwater tank controller, dual stage temperature control, digital aquarium controller, fish tank temperature regulator, reef tank controller, aquarium equipment, stable water temperature controller

  • D&D Funktion Wave Pump 3000lph

    D&D Funktion Wave Pump 10000lph

    £104.99

    The D-D Funktion Wave Pump 10000lph is a powerful and compact wavemaker designed for strong, natural water movement in marine and freshwater aquariums. Delivering up to 10,000 litres per hour, it helps improve circulation, supporting fish health and coral growth.

    Featuring a digital controller, it offers multiple flow modes including wave, pulse, and constant flow, allowing you to customise your aquarium’s water movement. The quiet, low-voltage motor ensures minimal noise, while the compact design keeps it discreet in your tank.

    Easy to install with a secure magnetic mount, the D-D Funktion Wave Pump is an efficient and reliable solution for creating dynamic, natural flow conditions.

  • D&D Funktion Wave Pump 3000lph

    D&D Funktion Wave Pump 3000lph

    £89.99

    The D-D Funktion Wave Pump 3000lph is a compact and efficient wavemaker designed to create natural water movement in marine and freshwater aquariums. With a flow rate of up to 3000 litres per hour, it improves circulation, oxygenation, and overall tank health.

    It features a digital controller with multiple flow modes including wave, pulse, and constant flow, allowing you to tailor water movement to your aquarium’s needs. The quiet, energy-efficient motor ensures low noise operation, making it ideal for home and office setups.

    Easy to install with a magnetic mount, the pump is discreet, reliable, and perfect for small aquariums needing controlled, natural flow conditions.

  • D&D Funktion Wave Pump 3000lph

    D&D Funktion Wave Pump 4000lph

    £97.99

    The D-D Funktion Wave Pump 4000lph is a compact and efficient wavemaker designed for natural water movement in aquariums. With a flow rate of up to 4000 litres per hour, it improves circulation, helping support fish health and coral growth.

    Featuring a digital controller, it offers multiple flow modes including wave, pulse, and constant flow for customised performance. The quiet, low-voltage motor ensures minimal noise, while the magnetic mount allows easy installation and positioning.

    Ideal for small to medium aquariums, this pump delivers reliable, energy-efficient water flow in a discreet design.

  • D&D Jump Guard Pro DIY Aquarium Cover 120cm X 75cm

    D&D Jump Guard Pro DIY Aquarium Cover 180cm X 90cm

    £59.99

    The D-D JumpGuard PRO DIY Aquarium Cover 180cm x 90cm is a premium mesh lid system designed to prevent fish from jumping out of large aquariums while maintaining a clean, modern look.

    Built with a strong, powder-coated aluminium frame, it is lightweight, durable, and corrosion-resistant, making it suitable for both marine and freshwater tanks. The slim design sits neatly on or within the aquarium rim, keeping the setup discreet and unobtrusive.

    The fine black mesh allows excellent light penetration with minimal impact on PAR, making it ideal for reef tanks and planted aquariums. It helps protect jump-prone fish such as wrasse and gobies without affecting the viewing experience.

    Supplied as a DIY kit, it can be easily cut and assembled to fit your aquarium perfectly, offering a secure and professional finish.

  • D & D Media Bags

    D&D Media Bags X 2

    £6.99

    D & D Media Bags are durable, reusable aquarium filter media bags designed to improve filtration efficiency in both freshwater and marine systems. Made from high-quality, aquarium-safe mesh, they provide excellent water flow while securely holding media such as activated carbon, resins, and phosphate removers. Ideal for sump systems, canister filters, and external setups, D & D Media Bags help maintain clear, healthy water with minimal effort.

  • D&D Titanium Heaters 300w

    D&D Titanium Heaters 300w

    £61.99

    The D-D Titanium Heater 300W is a durable and reliable aquarium heater designed for stable temperature control in marine and freshwater systems. Built with a corrosion-resistant titanium element, it offers long-lasting performance and excellent safety compared to traditional glass heaters.

    Designed for use with an external thermostat controller, it provides accurate and consistent heating to maintain ideal conditions for fish, corals, and other aquatic life. Its efficient heat distribution helps prevent temperature fluctuations and cold spots.

    Compact, fully submersible, and built for continuous use, the D-D Titanium Heater 300W is ideal for medium to large aquariums where dependable and precise heating is essential.

  • Dot Dash Blenny, stockportmarineandkoi.co.uk

    Dot Dash Blenny

    Price range: £20.00 through £30.00

    The Dot Dash Blenny (Ecsenius lineatus) is a small, characterful marine fish with distinctive markings and fascinating grazing behaviour. Ideal for established marine aquariums, it needs plenty of live rock, an algae-rich diet and stable water conditions.

  • Elephant Ear Mushroom Coral
  • Engineer Goby, stockportmarineandkoi.co.uk

    Engineer Goby

    £22.00

    The Engineer Goby (Pholidichthys leucotaenia) is a fascinating marine fish with distinctive black-and-white markings and an unusual burrowing habit. Generally peaceful and reef compatible, it needs a spacious, established aquarium with a sandy substrate and securely positioned rockwork. Its diet should include a variety of meaty marine foods.

  • Fire Shrimps

    Fire Shrimps

    £30.00

    Fire Shrimps (Lysmata debelius), also known as Blood Red Shrimps, are stunning, reef-safe invertebrates known for their deep red color and white-spotted bodies. Peaceful and easy to care for, they make excellent scavengers and add vibrant color and movement to any marine aquarium.

  • Foxface Rabbitfish , stockportmarineandkoi.co.uk

    Fox Face Vulpinus, Siganus vulpinus

    £59.00

    The Foxface Rabbitfish (Siganus vulpinus) is a striking marine fish with a bright yellow body and distinctive black-and-white facial markings. A popular algae grazer for large marine aquariums, it needs plenty of swimming space, a vegetable-rich diet and careful handling due to its venomous fin spines.

  • Fritz Max Out

    Fritz Max Out

    £18.99

    Fritz Max Out is a premium aquarium filter media designed to remove toxins, odours, organic waste, and discoloration while improving water clarity in freshwater and marine aquariums. Ideal for maintaining a clean and healthy aquatic environment.

  • Gold Stripe Maroon Clownfish (Pair)

    Gold Stripe Maroon Clownfish (Pair)

    £115.00

    The Gold Stripe Maroon Clownfish (Premnas biaculeatus) features a deep maroon-red body with three striking golden-yellow stripes. A bold and colourful addition to a marine aquarium, this reef-safe clownfish thrives on a varied diet and stable water conditions. It can become highly territorial as it matures, so careful tankmate selection is essential.

  • Goniopora Fire & Ice
  • Green Chromis, stockportmarineandkoi.co.uk

    Green Chromis X1

    £8.25

    The Green Chromis (Chromis viridis) is a peaceful, reef-safe marine fish with beautiful shimmering blue-green colouration. Best kept in a group in a mature marine aquarium, these active swimmers add natural movement and vibrant colour to reef displays. They accept a varied diet of quality marine flakes, pellets and frozen foods.

  • Green Kenya Tree 4" high
  • Green Trachyphillia
  • Halloween Crabs

    Halloween Crabs

    £7.95

    Halloween Crabs are eye-catching freshwater crabs with bold orange and black patterns. Semi-terrestrial and active, they thrive in aquariums with access to both land and water, making them excellent scavengers and unique additions to your tank.

  • Hermit Crabs (Algae Eaters) Black & White

    Hermit Crabs (Algae Eaters) Black & White

    £2.75

    Black & White Hermit Crabs are reef-safe scavengers with striking black and white stripes. They efficiently eat algae and detritus, helping keep marine aquariums clean and balanced.

  • Jade Wrasse, stockportmarineandkoi.co.uk

    Jade Wrasse

    £30.00

    The Jade Wrasse (Halichoeres chloropterus), also known as the Pastel Green Wrasse, is a colourful marine fish with a vibrant green body and pale underside. Active and inquisitive, it thrives in a mature aquarium with live rock and a fine sand bed for sleeping. It accepts a varied meaty diet and may eat small ornamental invertebrates, so reef compatibility should be considered carefully.

  • JBL Pro Silent Air Pump 400

    JBL Pro Silent Air Pump 400

    £54.99

    The JBL ProSilent Air Pump 400 delivers reliable and whisper-quiet aeration for freshwater and marine aquariums up to 400 liters. Energy-efficient and vibration-free, it ensures optimal oxygenation while maintaining a peaceful environment for both fish and hobbyists.

  • Jecod DCP Variable Speed DC Pump 3500lph

    Jecod DCP Variable Speed DC Pump 6500lph

    £124.99

    The Jecod DCP-6500 Variable Speed DC Pump is a powerful, energy-efficient return pump designed for both marine and freshwater aquariums. With a maximum flow rate of up to 6,500 LPH, it delivers strong, controllable water movement ideal for sump systems, reef tanks, and larger aquarium setups.

    Featuring advanced DC sine wave technology, the DCP-6500 runs extremely quietly, making it perfect for home aquariums where low noise is essential. The included controller allows easy adjustment of flow speed, giving you full control over circulation to suit your tank’s needs.

    Highly efficient, this pump can significantly reduce energy usage compared to traditional AC pumps, helping to lower running costs. It also includes a soft-start function and built-in safety protection against dry running and blockages for added reliability.

    Suitable for both submersed and external use, the Jecod DCP-6500 is a durable, versatile, and dependable choice for any serious aquarist seeking performance and efficiency.

  • Jecod DCP Variable Speed DC Pump 3500lph
  • Koran Angelfish Juvenile, stockportmarineandkoi.co.uk

    Koran Angelfish Juvenile

    £79.00

    The Juvenile Koran Angelfish (Pomacanthus semicirculatus) is a striking marine fish with a blue-black body and beautiful curved white and pale blue markings. As it matures, it develops a distinctive greenish-brown appearance with blue-edged scales and fins. Best suited to a large, mature marine aquarium, this omnivorous angelfish requires a varied diet and is not considered reef-safe.

  • Lawnmower Blenny, stockportmarineandkoi.co.uk

    Lawnmower Algae Blenny

    Price range: £25.00 through £28.00

    The Lawnmower Algae Blenny (Salarias fasciatus) is a characterful marine fish known for grazing on algae around live rock and aquarium surfaces. Ideal for mature marine and reef aquariums, it needs plenty of grazing areas, an algae-rich diet and stable water conditions.

  • Lituratus Lipstick Naso Tang,stockportmarineandkoi.co.uk

    Lituratus Lipstick Naso Tang

    £85.00

    The Lituratus Lipstick Naso Tang (Naso lituratus) is a striking marine fish featuring vivid orange lips, yellow markings and an elegant swimming style. A natural algae grazer, it is generally reef safe and makes an impressive centrepiece for a large, established marine aquarium. Provide plenty of swimming space, stable water conditions and a varied, algae-rich diet.

  • Live Copepods

    Live Copepods

    £1.50

    Live Copepods are a nutritious live feed for marine and reef aquariums, providing protein-rich food for corals, fish fry, and invertebrates. They support healthy growth, vibrant coloration, and a balanced microfauna ecosystem.

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