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 151–180 of 235 results

  • Salifert Profi-Test Kits Calcium (saltwater only) - 50-100 tests

    Salifert Profi-Test Kits Calcium (saltwater only) – 50-100 tests

    £14.99

    Salifert Profi-Test Calcium Kit (Saltwater) – 50–100 Tests provides accurate calcium measurement for reef and marine aquariums. Easy to use with clear colour indicators, it helps maintain stable calcium and alkalinity levels, supporting healthy coral growth and overall marine tank health.

  • Salifert Profi-Test Kits Magnesium (saltwater only) - 25-50 tests

    Salifert Profi-Test Kits Magnesium (saltwater only) – 25-50 tests

    £14.99

    Salifert Profi-Test Magnesium Kit (Saltwater) – 25–50 Tests provides accurate magnesium measurement for reef and marine aquariums. Easy to use with clear colour indicators, it helps maintain stable magnesium, calcium, and alkalinity levels, supporting healthy corals and marine life.

  • Salifert Profi-Test Kits pH (saltwater only) - 50 tests

    Salifert Profi-Test Kits pH (saltwater only) – 50 tests

    £8.99

    Salifert Profi-Test pH Kit (Saltwater) – 50 Tests provides accurate pH measurement for reef and marine aquariums. Easy to use with clear colour indicators, it helps maintain stable water chemistry, supporting healthy corals, invertebrates, and fish in saltwater systems.

  • Seaweed Clip

    Seaweed Clip

    £2.99

    Seaweed Clip securely holds seaweed, algae, or vegetable-based fish food in place for herbivorous fish. Made from durable, aquarium-safe materials, it attaches easily to rocks or tank walls, encourages natural grazing, reduces waste, and keeps both marine and freshwater aquariums cleaner.

  • Silver Belly Wrasse,stockportmarineandkoi.co.uk

    Silver Belly Wrasse

    £37.00

    The Silver Belly Wrasse (Halichoeres leucoxanthus) is a colourful marine fish with a bright yellow upper body and contrasting silver-white underside. An active forager, it thrives in mature aquariums with live rock and a fine sand bed for sleeping. Generally safe with corals, it may eat small ornamental shrimp, snails and feather dusters. A secure aquarium lid is essential.

  • Six Line Wrasse,stockportmarineandkoi.co.uk

    Six Line Wrasse

    £30.00

    The Six Line Wrasse (Pseudocheilinus hexataenia) is a vibrant marine fish featuring six bright orange and yellow stripes across a purple-blue body. Active and inquisitive, it explores live rock while hunting small invertebrates and potential aquarium pests. Generally safe with corals, it can become territorial towards other wrasses and timid fish, so careful tank mate selection is essential.

  • Starry Algae Blenny or Jewel Algae Blenny, stockportmarine.co.uk

    Starry Algae Blenny or Jewel Algae Blenny

    £29.00

    The Starry Algae Blenny, also known as the Jewel Algae Blenny (Salarias ramosus), is a characterful marine fish with a mottled brown body covered in striking white spots. An active algae grazer, it enjoys exploring and perching on live rock in a mature marine aquarium. Generally reef-safe, it requires a reliable supply of algae-based foods and may become territorial towards similar fish.

  • Tailspot Blenny, stockportmarineandki.co.uk

    Tailspot Blenny

    £27.00

    The Tailspot Blenny (Ecsenius stigmatura) is a small, peaceful marine fish with a distinctive black tail spot and colourful markings around its eyes. Growing to around 6cm, it is ideal for established reef aquariums with plenty of live rock, hiding places and algae-based foods. Generally reef safe, entertaining and full of character.

  • Sale! Tmc Algae Magnet Large

    Tmc Algae Magnet Large

    Original price was: £32.99.Current price is: £28.00.

    TMC Algae Magnet Large is a high-quality magnetic algae cleaner designed for glass aquariums up to 15mm thick. It features powerful rare earth neodymium magnets for effortless algae removal and comes with interchangeable blades—1 plastic for acrylic tanks and 1 stainless steel for glass tanks. Its ergonomic design ensures a comfortable grip, making aquarium maintenance efficient and effective.

  • Tmc Algae Magnet Medium

    Tmc Algae Magnet Medium

    £24.99

    The TMC Algae Magnet Medium is a high-quality magnetic algae cleaner designed for glass aquariums up to 10mm thick. It features powerful rare earth neodymium magnets for effortless algae removal and comes with interchangeable blades—1 plastic for acrylic tanks and 1 stainless steel for glass tanks. Its ergonomic design ensures a comfortable grip, making aquarium maintenance efficient and effective.

  • Tmc Algae Magnet Small

    Tmc Algae Magnet Small

    £15.99

    The TMC Algae Magnet Small is a high-quality magnetic algae cleaner designed for glass aquariums up to 6mm thick. It features powerful rare earth neodymium magnets for effortless algae removal and comes with removable blades—1 plastic for acrylic tanks and 1 stainless steel for glass tanks. Its ergonomic design ensures a comfortable grip, making aquarium maintenance efficient and effective.

  • TMC Aquarium Cooling Fan Thermostat Controller

    TMC Aquarium Cooling Fan Thermostat Controller

    £19.49

    The TMC Aquarium Cooling Fan Thermostat Controller provides automatic temperature control, switching aquarium cooling fans on when needed to help maintain stable water temperatures in marine and freshwater aquariums.

  • TMC Brine Shrimp + Aloe Vera 100g

    TMC Brine Shrimp + Aloe Vera 100g

    £2.99

    TMC Brine Shrimp + Aloe Vera is a premium frozen food for marine and freshwater fish. Enriched with aloe vera, it supports digestion, boosts immunity, and promotes healthy growth, vibrant color, and overall vitality.

  • TMC Brineshrimp + Aloe Vera 100g

    TMC Brineshrimp + Aloe Vera 100g

    £2.99

    TMC Brine Shrimp + Aloe Vera is a premium frozen food for marine and freshwater fish. Enriched with aloe vera, it supports digestion, boosts immunity, and promotes healthy growth, vibrant coloration, and overall vitality.

  • Tmc Brineshrimp + Aloe Vera 250g

    Tmc Brineshrimp + Aloe Vera 250g

    £4.99

    TMC Brine Shrimp + Aloe Vera is a premium frozen food for marine and freshwater fish. Rich in protein and nutrients, with added aloe vera to support digestion and immunity, it promotes healthy growth, vibrant color, and overall vitality in aquariums.

  • Tmc Brineshrimp + Omega3 250g

    Tmc Brineshrimp + Omega3 250g

    £4.99

    TMC Brine Shrimp + Omega-3 is a premium frozen food for marine and freshwater fish. Enriched with Omega-3 fatty acids, it supports healthy growth, vibrant coloration, strong immunity, and overall vitality in aquariums.

  • Placeholder
  • Placeholder
  • Placeholder

    TMC Brineshrimp 500g

    £10.99

    TMC Brine Shrimp 500g is a premium frozen food for marine and freshwater fish. Rich in protein and nutrients, it supports healthy growth, vibrant coloration, and overall vitality in aquariums.

  • TMC Cockle In Shell 250g

    TMC Cockle In Shell 250g

    £4.50

    TMC Cockle in Shell 250g provides whole, nutrient-rich cockles in their shells, ideal for larger marine predators. This natural, high-protein food encourages natural feeding behaviour, supports jaw strength, and promotes overall vitality in carnivorous fish.

  • TMC Eco Reef 4kg (coarse)

    TMC Eco Reef 4kg (coarse)

    £9.95

    TMC Eco Reef Sand (Coarse) is a natural, eco-friendly marine substrate made from 100% British sea shells. Rich in calcium carbonate, it helps buffer pH and supports coral health. The coarse grain reduces clouding—ideal for high-flow reef tanks.

  • TMC Eco Reef Sand 10kg (coarse)

    TMC Eco Reef Sand 10kg (coarse)

    £23.95

    TMC Eco Reef Sand (Coarse) is a natural, eco-friendly marine substrate made from 100% British sea shells. Rich in calcium carbonate, it helps buffer pH and supports coral health. The coarse grain reduces clouding—ideal for high-flow reef tanks.

  • Tmc Eco Reef Sand 10kg (fine)

    Tmc Eco Reef Sand 10kg (fine)

    £23.95

    TMC Eco Reef Sand (Fine) is a natural, eco-friendly marine substrate made from 100% British sea shells. Its fine grain offers a clean, natural look and supports stable pH and coral health. Ideal for reef tanks with burrowing fish or invertebrates.

  • TMC Eco Reef Sand 4Kg (fine)

    TMC Eco Reef Sand 4Kg (fine)

    £9.95

    TMC Eco Reef Sand (Fine) is a sustainable, reef-safe substrate made from 100% natural, sea-washed British seashells. Rich in calcium carbonate, it helps buffer pH and supports coral growth. The fine grain offers a soft, natural look—ideal for nano reefs or tanks with sand-sifting livestock.

  • TMC First Wave Aquarium Set 48L

    TMC First Wave Aquarium Set 48L

    £199.99

    The TMC First Wave Aquarium Set 48L is a stylish starter tank with filtration, LED lighting, and easy setup—perfect for freshwater or marine beginners.

  • TMC Gamma Copepods 100g

    TMC Gamma Copepods 100g

    £2.99

    TMC Gamma Copepods 100g is a premium frozen food for marine fish, corals, and invertebrates. Rich in live copepods and essential nutrients, it supports healthy growth, vibrant coloration, and natural feeding behaviour in reef and community aquariums.

  • TMC Gamma Green Natural Seaweed 12g

    TMC Gamma Green Natural Seaweed 12g

    £4.99

    TMC Gamma Green Natural Seaweed 12 g is a high-quality dried seaweed food enriched with spirulina and omega-3. Ideal for herbivorous marine and freshwater fish, it supports natural grazing behaviour, healthy digestion, and vibrant colour.

  • TMC Gamma Marine Cuisine 100g

    TMC Gamma Marine Cuisine 100g

    £2.99

    TMC Gamma Marine Cuisine 100g is a premium frozen food for marine fish and invertebrates. Rich in protein, vitamins, and essential nutrients, it promotes healthy growth, vibrant colouration, and strong immunity in reef and community aquariums.

  • TMC Gamma Mysis Shrimp Blister 100g

    TMC Gamma Mysis Shrimp Blister 100g

    £2.99

    TMC Gamma Mysis Shrimp Blister 100g is a high-quality frozen food made from whole, nutrient-rich mysis shrimp. Ideal for marine and freshwater fish, it supports healthy growth, vibrant colours, and strong immunity, with easy portioning thanks to the convenient blister pack.

  • TMC Gamma Pellets Copepod Complete 70g

    TMC Gamma Pellets Copepod Complete 70g

    £5.49

    TMC Gamma Pellets Copepod Complete 70g

    A premium soft pellet food enriched with copepods and natural marine ingredients to promote vibrant colour, health, and vitality. Highly digestible and ideal for marine fish, corals, and invertebrates, it provides complete daily nutrition while helping maintain excellent water quality.

Shopping Cart
Scroll to Top