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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Prevent Algae


Use Prevent Algae to control algae in freshwater aquariums or fish tanks containing live fish and ...
From £2.49
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API Quick Start Water Treatment - 237ml

API Quick Start Water Treatment allows the safe and immediate introduction ...
ORDER TODAY TO SAVE 50% OFF RRP £15.99
BUY NOW: £7.99
 

Mopani Driftwood Aquarium Ornament

Add natural beauty to your aquarium with an African Mopani Driftwood Aquarium ...
ORDER TODAY TO SAVE 14% OFF RRP £6.99
BUY NOW: £5.99
 

Nexx Aquarium Filter

Self priming and modular, the API Nexx Filter is a really practical external aquarium filter ...
ORDER TODAY TO SAVE 50% OFF RRP £104.99
FREE Standard UK Delivery!
BUY NOW: £52.49
 

API Eco-Strontium Marine 473 ml

Want a healthy reef in your aquarium? This is a natural product that is based on ...
ORDER TODAY TO SAVE 75% OFF RRP £14.79
BUY NOW: £3.69
 

Nexx Aqua Detox Size 4 - Pack of 2

The API Nexx Aqua-Detox provides your aquarium or fish tank with multi-stage ...
ORDER TODAY TO SAVE 50% OFF RRP £12.99
BUY NOW: £6.49
 

Nexx Crystal Size 4


The API Nexx Crystal cleans and clears aquarium water absorbing unwanted odours and colours, ...
From £5.99
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Nexx Extension Aquarium Filter

The API Nexx Extension Aquarium Filter adds 200 litres filtration capacity to the ...
ORDER TODAY TO SAVE 50% OFF RRP £79.99
FREE Standard UK Delivery!
BUY NOW: £39.99
 

Nexx Pre-Filtration Foam

This API Nexx Pre-Filtration Foam is designed to fit the API Nexx Aquarium Filter and ...
ORDER TODAY TO SAVE 25% OFF RRP £7.99
BUY NOW: £5.99
 

Nexx Prevent Algae Size 4 - Pack of 2

API Nexx Prevent Algae eliminates cloudy water caused by phosphates and controls ...
ORDER TODAY TO SAVE 50% OFF RRP £12.99
BUY NOW: £6.49
 

Seneye Pond Float Accessory

The Seneye Pond Float Accessory - a specifically designed float to be used with the ...
ORDER TODAY TO SAVE 75% OFF RRP £14.99
BUY NOW: £3.74
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