Cubic Orbit 20 Jellyfish Aquarium

£279.00 Sold Out

The Orbit 20 is our first entry level tank and the smallest jellyfish aquarium in our range. It is perfect for keeping jellies right on your desktop! The tank is designed for small jellyfish species but it will allow you to keep most species of...
BiOrb Life 60 Aquarium - White, Aquariums & Cabinets by marineworld.co.uk

BiOrb Life 60 Aquarium - White

£299.95

The biOrb LIFE 60 is supplied as a coldwater aquarium. It is suitable for fancy goldfish or small temperate fish. Tropical fish can be kept with the addition of a biOrb Heater Pack or our Intelligent Heater. The larger size of the biOrb LIFE 60...
Aqua Medic Xenia 130 Aquarium (White), Aquariums & Cabinets by marineworld.co.uk

Aqua Medic Xenia 130 Aquarium (White)

£1,559.95

Frameless saltwater aquarium including cabinet filter system.- Aquarium without support made from prime clear glass with polished edges- Glass thickness of front pane: 15 mm- Incl. glass cabinet filter with four-chamber system pre-filter chamber two clear water chambers for putting up biological and mechanical filters...
Juwel Vision 450 Aquarium and Cabinet (Black), Aquariums & Cabinets by marineworld.co.uk

Juwel Vision 450 Aquarium and Cabinet (Black)

£1,109.95

Please note: Orders must be placed before 12pm for next working day delivery Experience the fascination of Aquariums from a different perspective. The Vision Aquariums bring a new dimension to fish keeping. The stunning curved front glass will offer unrivalled views of the underwater world....
Fluval Roma 200 Oak Cabinet, Aquariums & Cabinets by marineworld.co.uk

Fluval Roma 200 Oak Cabinet

£137.59

Fluval Roma 200 Oak with Black Insert Cabinet
TMC v2iLumen Air Nano - Marine White, Lighting by marineworld.co.uk

TMC v2iLumen Air Nano - Marine White

£25.99

Compact LED Light for Nano and smaller Aquariums.Branded LED's offer super bright light and excellent water penetration.Flexible arm means light can be angles as exactly requiredLow energy usage and long life.Simple to install.Max light spread - 30cm by 30cmMax glass thickness 8mm Watts - 32...
TMC v2iLumen Air Nano - Reef Blue, Lighting by marineworld.co.uk

TMC v2iLumen Air Nano - Reef Blue

£24.99

Compact LED Light for Nano and smaller Aquariums.Branded LED's offer super bright light and excellent water penetration.Flexible arm means light can be angles as exactly requiredLow energy usage and long life.Simple to install.Max light spread - 30cm by 30cmMax glass thickness 8mm Watts - 33...
D-D 72" TWIN LED HANGING RAIL (HYDRA 26)

D-D 72" TWIN LED HANGING RAIL (HYDRA 26)

£84.99

D-D MK II SOL,Hydra,Hydra 52 and Vega Mounting Rails 72" H26 RAIL 72-H - £84.99 Mounting rails turn individual lights into a complete lighting system appropriate for any size, style or shape of aquarium. The rails can be ordered for specific tank lengths to allow...
EXT Mounting Systems - 12 " EXT BAR IN ANODISED SILVER

EXT Mounting Systems - 12 " EXT BAR IN ANODISED SILVER

£33.50

AI EXT Rail System EXT-12 / EXT -12 BK 12" light Rail £ 33.50 The EXT Rail System continues AquaIllumination’s industry-leading core of modularity and elegant design. From mounting a single Vega,Hydra,Hydra 52 or Sol, to hanging multiple modules over your tank, the EXT provides...
Maxspect Razor LED Lighting System 180W (15,000K), Lighting by marineworld.co.uk

Maxspect Razor LED Lighting System 180W (15,000K)

£399.95

Built with a aerodynamic body, the R420R "Razor" LED Lighting System is designed to seamlessly merge into your living area with elegance and style. The R420R LED system utilize the latest in LED technology, including Cree XT-E and XP-E high intensity LED chips distributed in...
Deal offer

Hermit Crab Turbo Snail Fire Shrimp fish coals reef safe Cuc

From £2.35

CONCH ORANGE LIP Brilliant snails at keeping the sand turned over and clean. These have a passive nature and are more active in the day then the night. Make sure your tank is not less than 10 gallons as they grow to approximately 2.0 inches...
Tank Bred Clown - Common (Amphiprion ocellaris), Fish by marineworld.co.uk

Tank Bred Clown - Common (Amphiprion ocellaris)

£17.99

Tank Bred Clown Common (Amphiprion ocellaris) - The tank bred clown with its beautiful orange body dressed with white bands outlined in black instantly distinguishes this fish. This personable little fish only reaches only about 3 1/2 inches (9 cm) in length. It typically has...
Snail - Bumble Bee (Engina mendicaria), Livestock by marineworld.co.uk

Snail - Bumble Bee (Engina mendicaria)

£1.95

Snail - Bumble Bee (10 ) (Engina mendicaria). PRE-ORDER to Collect in store or delivery to UK mainland for just £19.95! Order online by Tuesday 8pm and collect in-store or have it delivered the following Thursday
Hermit Crab - Common-Algae Eating

Hermit Crab - Common-Algae Eating

£1.80

Hermit Crab - Common (Dardanus Migistus). PRE-ORDER to Collect in store or delivery to UK mainland for just £9.95! Order online by Tuesday 8pm and collect in-store or have it delivered the following Thursday
Chromis - Green (Chromis viridis), Fish by marineworld.co.uk

Chromis - Green (Chromis viridis)

£7.99

Chromis  Green (Chromis viridis) - PRE-ORDER to Collect in store or delivery to UK mainland for just £19.95! Order online by Tuesday 8pm and collect in-store or have it delivered the following Thursday
Life Rock

Caribsea Life Rock 20Lb

£84.99

Caribsea Life Rock 20Lb At last, an alternative to Live Rock taken from the Ocean Simply order how much weight you require in lb and we will put together your order to make up the weight An amazing new product from Caribsea Eco rock, real...
Fluval FX6 External Filter, Filtration by marineworld.co.uk

Fluval FX6 External Filter

£232.49

Fluval FX6 is a high performance canister filter with many outstanding features designed to make aquarium fishkeeping easier and more convenient than ever. This super capacity yet compact canister filter processes and circulates 2130 litres (563 US gallons) of water every hour and has an...
 Marine Pure Biological Media

Marine Pure Biological Media - Block (8 x 8 x 4 Inches)

£64.99

MarinePure is the perfect place for beneficial bacteria to flourish in order to remove harmful fish wastes. It will eliminate ammonia and nitrites and lower nitrates. MarinePure's bio-media is the most technically advanced bio-media available today. Features Thin Bio-Film Technology™ MarinePure is inert and will...
Complete Top-Up Systems WITH 12V SOLENOID

Complete Top-Up Systems WITH 12V SOLENOID

£144.99

Top-up System With Low Voltage Solenoid Effective in Controlling Evaporative Loss. In salt water systems the loss of water from the tank is by evaporation is of fresh water only, which will increase the salinity within the aquarium. This can be automatically replenished using a...
3 COLOUR RO HOSE SET IN BAG - ALL FITTINGS

3 COLOUR RO HOSE

£12.99

9 metre of 1/4" RO hose available in 3 colors you will receive 3m x 3 rolls in 3 colours 
R.O. SHUT OFF VALVE (1/4" PUSH FIT)

R.O. SHUT OFF VALVE (1/4" PUSH FIT)

£4.99

RO SHUT OFF VALVE (1/4" PUSH FIT)
Elite Aquatics DRAIN ELITE OVERFLOW WITH REMOVABLE WEIR COMB

Elite Aquatics DRAIN ELITE OVERFLOW WITH REMOVABLE WEIR COMB

£209.99

This is the Elite Overflow System. Leading the Way in Acrylic Reef Aquarium Filtration equipment. It is a very simple to install, plug and play overflow system. Completely quiet operation. We manufacture our overflow in house using our own state of the art CNC router...
Overflow Comb - ULTRAFLOW WEIR 60CM

Overflow Comb - ULTRAFLOW WEIR 60CM

£19.99

D-D UltraFlow Weir comb  60 cm UltraFlow weir - Order code UFC60 Designed by D-D and produced within the U.K. Maintaining high flow through a standard a weir comb isn’t an easy task, weir boxes are usually manufactured to be as small and unobtrusive as...
R.O 10M ROLL - 1/4 INCH RO HOSE IN ORANGE

R.O 10M ROLL - 1/4 INCH RO HOSE IN ORANGE

£3.99

10m rolls of 1/4" RO hose available in 3 colours - white - blue - orange
circulation pump

Maxspect Gyre XF230 Pump Generator 35w Free £10 Gift Voucher

£134.00

Next Generation of Water Moving Technology The Maxspect Gyre is the world's first "gyre"- generating water moving device for Aquariums. Compared to traditional powerheads and wavemakers that are based on propeller nozzle flow technology, the Maxspect Gyre is based on advanced crossflow technology which produces...
Maxspect Gyre XF230/130 Controller and Power Supply

Maxspect Gyre XF230/130 Controller and Power Supply

£144.99

It is difficult to overstate the importance of water motion in a reef aquarium — the “Gyre Generator” is a pump that has changed how you can move water in an aquarium. Unlike propeller pumps, the Gyre uses two centrifugal fans, with a centrally located,...
SICCE VOYAGER NANO STREAM PUMP- VOYAGER NANO 1000

SICCE VOYAGER NANO STREAM PUMP- VOYAGER NANO 1000

£28.39

THE SMALLEST STREAM PUMPS for MARINE and FRESH WATER AQUARIUMS Extremely Compact with just 6,5 cm total length ! Low Energy Consumption: VOYAGER NANO 1.000 l/h 2,8 Watt VOYAGER NANO 2.000 l/h 3 Watt Equipped with AUTO-CLEANING and LUBRICATING System of the impeller Chamber Including...
SICCE MULTI LINE MULTIFUNCTION PUMP - MULTI 2500 2500L/H

SICCE MULTI LINE MULTIFUNCTION PUMP - MULTI 2500 2500L/H

£60.99

From the 800 L/h model to the powerful 5.800 L/h, the Multi line includes five recirculation pumps for every type of pond, up to 10.000 litres of capacity. Buit in compliance with the most severe international safety rules, these pumps operate in Wet & Dry mode, they...
SICCE EASY LINE Recirculation Pump - Micra 400L/H, Pumps by marineworld.co.uk

SICCE EASY LINE Recirculation Pump - Micra 400L/H

£14.19

Micra is a fully submergible pump, driven by a permanent magnet type synchronous motor. Micra is provided of an interchangeble sponge filter and of a five way tap to regulate water flow. Micra can be connected to rigid piping with 13mm inside diameter or, through...
Pond Pack V2

Pond Pack V2

£289.99

Everything you need to get monitoring your pond through the internet. contents include seneye pond seneye web server WiFi  seneye Dri
Nexus Eazy 320, Accessories by marineworld.co.uk

Nexus Eazy 320 Free £50 Gift Voucher

£1,095.00

The Nexus 320 filtration systems deliver dramatically improved levels of clarity for ponds. Building on the success of the award winning Nexus range this new generation of filters cleverly combine mechanical and biological filtration into one advanced filter system, whilst being incredibly easy to clean...
Nexus Eazy 220, Accessories by marineworld.co.uk

Nexus Eazy 220 Free £50 Gift Voucher

£895.00

The Nexus 220 filtration systems deliver dramatically improved levels of clarity for ponds. Building on the success of the award winning Nexus range this new generation of filters cleverly combine mechanical and biological filtration into one advanced filter system, whilst being incredibly easy to clean...
Seneye Pond, Accessories by marineworld.co.uk

seneye USB Pond V2

£119.99

  Aimed at owners of garden pond and koi ponds. The device can be connected to a USB power adaptor and work without a PC or can be connected to a wireless USB sending giving 150m wireless coverage. The seneye pond comes with a specifically...
TMC H2 Fill and Go 20 Litre Collapsible Water Container, Accessories by marineworld.co.uk

TMC H2 Fill and Go 20 Litre Collapsible Water Container

£8.50

H2 Fill and Go 20 Litre Collapsible Water Container Ideal for storing and transporting: - Pre-mixed Seawater for marine tanks - RO water for cichlids, discus, planted and marine tanks - Shake and Make water - Your own Tropic Marin seawater Mix - Top-up or...
Fluidised Reactor Spares-REPLACEMENT LID O-RING FOR FMR75

Fluidised Reactor Spares-REPLACEMENT LID O-RING FOR FMR75

£2.49

Nutri-Fix NP Bio Pellets What is Nutri-Fix NP? Nutri-Fix NP is a bio media and bacterial food source adapted specifically for the reduction of Nitrate and Phosphate in aquaria. How does it work? Unlike indiscriminate and potentially risky carbon dosing regimens such as Vodka which...
Fluidised Reactor Spares-REPLACEMENT LID SCREWS FOR FMR75

Fluidised Reactor Spares-REPLACEMENT LID SCREWS FOR FMR75

£2.49

FMR75 Fluidised Reactor The FMR75 Fluidised Reactor has been developed by D-D to give the ultimate low cost solution for fluidising a whole range of materials that are used on your marine or freshwater aquarium. Just another reactor ? Read on to see what makes...
CO2 Systems and Accessories- CONVERTER FROM DISPOSABLE TO REFILLABLE BOTTLE

CO2 Systems and Accessories- CONVERTER FROM DISPOSABLE TO REFILLABLE BOTTLE

£11.99

CO2 Bottle Converter for Refillable Bottle This simple item will convert the regulator on the D-D CO2 set (disposable bottle) to allow it to be used on a refillable bottle. ONLY FITS LATEST VERSION OF THE D-D DISPOSABLE REGULATORS Item Code RUWADAPT
FOAM GUARDS FOR XF-130 (2 DENSITIES PACK OF 4), Accessories by marineworld.co.uk

FOAM GUARDS FOR XF-130 (2 DENSITIES PACK OF 4)

£5.99

FOAM GUARDS FOR XF-130 (2 DENSITIES PACK OF 4) . Parts available on back order and will be ready to dispatch within 3-10 working days
Deltec Internal Protein Skimmer 230V- SC 1455

Deltec Internal Protein Skimmer 230V- SC 1455

£279.95

Deltec SC 1455 Internal The new internal SC1455 high performance skimmer takes the superb performance of the SC range of Deltec skimmers compressed into the compact footprint of an APF800. Class leading Deltec performance at great price. Suitable for aquariums up to 1000 litres The...
TMC V2 Bubblestop - Small, Skimmers by marineworld.co.uk

TMC V2 Bubblestop - Small

£7.99

V2Bubble Stop which filters any remaining micro bubbles from the protein skimmer and prevents them from flowing into the aquarium or sump. The V2Bubble Stop can also be used to provide additional post skimming filtration and the removable sponges mean that it can be incorporated...
TMC V2 Bubblestop - Large

TMC V2 Bubblestop - Large

£11.00

V2Bubble Stop which filters any remaining micro bubbles from the protein skimmer and prevents them from flowing into the aquarium or sump. The V2Bubble Stop can also be used to provide additional post skimming filtration and the removable sponges mean that it can be incorporated...
Bubble Magus Curve 5, Skimmers by marineworld.co.uk

Bubble Magus Curve 5

£123.79

Bubble Magus Curve 5
Skimz Dc Mini Skimmer Sn143, Skimmers by marineworld.co.uk

Skimz Dc Mini Skimmer Sn143

£179.99

Skimz Dc Mini Skimmer Sn143  Description: Skimz SN143 Mini Protein Skimmer features the second smallest DC needlewheel pump and has a small footprint that is great for hobbyists who have small sumps. SN143 draws an air intake of 660 litres per hour and is suitable...
Mag- Float Mini, Salts, Minerals & Elements by marineworld.co.uk

Mag- Float Mini

£3.69

Mag- Float Mini  
Refugium Mineral Mud Caribsea

Refugium Mineral Mud Caribsea

£42.99

Mineral Mud™ - A unique blend of sediments that duplicate tropical fringing coastal mangrove environments. Its particles are in a size range compatible with soft, burrowing infaunal, macro animal assemblages. Ideal for mud refugiums, seagrasses, macro-algaes, and mangroves, Mineral Mud™ provides a variety of trace elements...
ATM Outbreak! Marine 947ML, Salts, Minerals & Elements by marineworld.co.uk

ATM Outbreak! Marine 947ML

£29.99

ATM OUTBREAK! MARINE 947ML- TREATS 2422L ATM’s Outbreak! is a high-powered biological sludge remover that consumes decomposing organics, leaving Aquariums clean and free of waste that can cause problems for Aquariums. Regular use of Outbreak! improves water quality and leaves Aquariums looking their best. When...
Filter Matt

Filter Matt

£8.99

Can be used in saltwater & Tropical aquariums as well as Ponds. Also good for cleaning Algae. 200x45cm  
Seachem Reef Special Test Kit, Accessories by marineworld.co.uk

Seachem Reef Special Test Kit

£14.49

Seachem Reef Special Test Kit
Brine Shrimp

Brine Shrimp

From £1.99

Brine shrimp are a crustacean with stalked, compound eyes and a tapered body that has 11 pairs of legs.  They can live in a remarkable range of salt water environments from those having water several times the salinity of seawater to water having only one tenth the...
Phytoplankton

Phytoplankton

From £1.99

Phytoplankton are the autotrophic components of the plankton community and a key part of oceans, seas and freshwater basin ecosystems. The name comes from the Greek words φυτόν, meaning "plant", and πλαγκτός, meaning "wanderer" or "drifter". Most phytoplankton are too small to be individually seen...
Ocean Nutrition Whole Mussels 100g

Ocean Nutrition Whole Mussels 100g

£3.99

THIS IS A SINGLE PACK OF 100GGeneral informationThese small, select, whole mussels are well cleaned and fresh frozen. This is an excellent source of marine protein for a variety of marine fish.IngredientsMussels.
Ocean Nutrition Microplankton 100g

Ocean Nutrition Microplankton 100g

£3.99

A balanced blend of nutritious phytoplankton and zooplankton. Contains pure Spirulina, Chlorella and other microalgae, to stimulate growth and intensify the brilliant colors of your corals, sponges and anemones. With freshly frozen rotifers, rich in highly unsaturated fatty acids (EPA & DHA). Ingredients Molluscs and...
Ocean Nutrition Lance Fish 100g

Ocean Nutrition Lance Fish 100g

£3.99

THIS IS A SINGLE PACK OF 100GGeneral informationLance fish are small, elongated fish that occur naturally in large schools in shallow sandy areas. They are a natural well-balanced meal for predator type carnivorous fish. They are collected and immediately fresh frozen to maintain all of...