Marine Aquarium Supplies

You'll find everything you need to set up your new marine, or salt-water, aquarium here, from complete starter kits to individual packs of salt mix, feeds and other essentials.

Click here to read our guides to keeping Goldfish and Tropical Fish. Requires Adobe Reader.

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API Quick Start Water Treatment - 237ml

API Quick Start Water Treatment - 237ml

API Quick Start Water Treatment allows the safe and immediate introduction ...
£9.99
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Mopani Driftwood Aquarium Ornament

Mopani Driftwood Aquarium Ornament

Add natural beauty to your aquarium with an African Mopani Driftwood Aquarium ...
RRP: £6.99 Our Price: £5.99 Save 14%
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Prevent Algae

Prevent Algae


Use Prevent Algae to control algae in freshwater aquariums or fish tanks containing live fish and ...
From £3.79
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API Eco-Strontium Marine 473 ml

Want a healthy reef in your aquarium? This is a natural product that is based on ...
ON SALE! RRP: £14.79 Now: £7.39 Save 50%
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Nexx Aqua Detox Size 4 - Pack of 2

Nexx Aqua Detox Size 4 - Pack of 2

The API Nexx Aqua-Detox provides your aquarium or fish tank with multi-stage ...
RRP: £12.99 Our Price: £11.99 Save 8%
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Nexx Aquarium Filter

Nexx Aquarium Filter

Self priming and modular, the API Nexx Filter is a really practical external aquarium filter ...
RRP: £104.99 Our Price: £69.95 Save 33%
** Free Delivery **
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Nexx Crystal Size 4

Nexx Crystal Size 4


The API Nexx Crystal cleans and clears aquarium water absorbing unwanted odours and colours, ...
From £11.99
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Nexx Extension Aquarium Filter

Nexx Extension Aquarium Filter

The API Nexx Extension Aquarium Filter adds 200 litres filtration capacity to the ...
RRP: £79.99 Our Price: £49.99 Save 38%
** Free Delivery **
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Nexx Pre-Filtration Foam

Nexx Pre-Filtration Foam

This API Nexx Pre-Filtration Foam is designed to fit the API Nexx Aquarium Filter and ...
RRP: £7.99 Our Price: £6.99 Save 13%
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Nexx Prevent Algae Size 4 - Pack of 2

Nexx Prevent Algae Size 4 - Pack of 2

API Nexx Prevent Algae eliminates cloudy water caused by phosphates and controls ...
RRP: £12.99 Our Price: £11.99 Save 8%
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Seneye Outdoor Extender (15m)

The Seneye Outdoor 15m Extender - for use with the Seneye Pond Solution Monitor
ON SALE! Was: £49.99 Now: £24.99 Save 50%
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Seneye Pond Float Accessory

The Seneye Pond Float Accessory - a specifically designed float to be used with the ...
ON SALE! Was: £14.99 Now: £3.74 Save 75%
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Seneye USB Home Solution Fish Tank Monitor

Seneye USB Home Solution Fish Tank Monitor

Be part of the aquatic revolution with the Seneye USB Home Solution ...
RRP: £69.99 Our Price: £59.99 Save 14%
** Free Delivery **
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