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Treatment and Additives

Our dedicated Marine section has a great selection of Marine fish, corals and invertebrates and all the equipment necessary to house them. With all the leading brand products, coupled with great prices, you’ll find all you need to keep your marine fish in perfect condition. Check our updated Marine livestock lists to see what specialties of marine fish we have in store.

  • Sale!

    API Aqua Essential Water Conditioner 118ml

    Standard 1-3 days delivery

    Original price was: £5.99.Current price is: £5.09.
    Aqua Essential water conditioner is a highly concentrated all-in-one water conditioner that instantly makes tap water safe for fish by removing chlorine, chloramine & detoxifies heavy metals commonly found in tap water.
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  • Sale!

    API Aqua Essential Water Conditioner 237ml

    Standard 1-3 days delivery

    Original price was: £10.99.Current price is: £9.39.
    Aqua Essential water conditioner is a highly concentrated all-in-one water conditioner that instantly makes tap water safe for fish by removing chlorine, chloramine & detoxifies heavy metals commonly found in tap water.
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  • Sale!

    API Aqua Essential Water Conditioner 473ml

    Standard 1-3 days delivery

    Original price was: £18.99.Current price is: £16.19.
    Aqua Essential water conditioner is a highly concentrated all-in-one water conditioner that instantly makes tap water safe for fish by removing chlorine, chloramine & detoxifies heavy metals commonly found in tap water.
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  • Sale!

    API Melaxfix Antibacterial Treatment 118ml

    Standard 1-3 days delivery

    Original price was: £10.20.Current price is: £7.99.
    API Melaxfix fish remedy is an all-natural antibacterial treatment that works to treat infections in fish.
    Suitable for Fresh & Salt water.
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  • Sale!

    API Melaxfix Antibacterial Treatment 237ml

    Standard 1-3 days delivery

    Original price was: £16.05.Current price is: £11.99.
    API Melaxfix fish remedy is an all-natural antibacterial treatment that works to treat infections in fish.
    Suitable for Fresh & Salt water.
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  • Sale!

    API Melaxfix Antibacterial Treatment 473ml

    Standard 1-3 days delivery

    Original price was: £24.80.Current price is: £19.99.
    API Melaxfix fish remedy is an all-natural antibacterial treatment that works to treat infections in fish.
    Suitable for Fresh & Salt water.
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  • Sale!

    eSHa -ndx Against Parasitic Nematodes 20ml

    Standard 1-3 days delivery

    Original price was: £10.99.Current price is: £8.99.
    eSHa -ndx is a levamisole-based roundworm treatment.
    It works against parasitic nematodes like Camallanus, Capillaria, Pseudocapillaria, Eustrongylides, Oxyuris etc.
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  • Sale!

    eSHa alx Against Parasitic Crustaceans 20ml

    Standard 1-3 days delivery

    Original price was: £10.99.Current price is: £8.99.
    eSHa alx works against parasitic species of crustaceans (Crustacea), such as carp lice (Argulus sp.), anchor worms (Lernaea sp.), gill lice (Ergasilus sp.), etc.
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    eSha gdex Against Flatworms, Skin/Gill Flukes & Tapeworms 20ml

    Standard 1-3 days delivery

    Original price was: £10.99.Current price is: £8.99.
    eSHa gdex is outstanding at controlling the likes of flatworms / skin flukes (Gyrodactylus), gill flukes (Dactylogyrus) & tapeworms (Cestoda),
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  • Sale!

    eSHa Minaroll Vitamins, Trace Elements & Minerals 20ml

    Standard 1-3 days delivery

    Original price was: £5.59.Current price is: £4.99.
    Minaroll is a unique combination of vitamins, trace elements & minerals.
    It provides your fish with everything they need for a healthy life.
    For use in freshwater & marine aquariums.
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  • Sale!

    eSHa Oodinex Wide Range Marine Treatment 20ml

    Standard 1-3 days delivery

    Original price was: £7.16.Current price is: £5.99.
    Oodinex is a wide range disease treatment for marine fish in aquariums with invertebrates (such as sea anemones, corals & crustaceans).
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  • Sale!

    eSHa Trimarin Wide Range Marine Treatment (Non-Invert) 20ml

    Standard 1-3 days delivery

    Original price was: £7.19.Current price is: £5.99.
    Trimarin is a wide range disease treatment for marine fish in aquariums without invertebrates such as marine white spot, coral fish disease, fin rot, fungus & many other fungal, bacterial & parasitic infections.
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  • Sale!

    Evolution Aqua Pure Reef Balance

    Standard 1-3 days delivery

    Original price was: £15.95.Current price is: £14.95.
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  • Sale!

    Fluval Cycle Biological Enhancer 120ml

    Standard 1-3 days delivery

    Original price was: £11.09.Current price is: £8.69.
    All-natural water care – creates a safe biological habitat to prevent fish loss.
    Eliminates ammonia & nitrite.
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  • Sale!

    Fluval Cycle Biological Enhancer 30ml

    Standard 1-3 days delivery

    Original price was: £5.79.Current price is: £4.99.
    Regular application helps to completely exclude establishment of undesirable bacteria.
    Eliminates ammonia & nitrite.
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  • Sale!

    Fluval Cycle Biological Enhancer 375ml (50% Extra Free)

    Standard 1-3 days delivery

    Original price was: £14.89.Current price is: £11.49.
    375ml for the price of 250ml! Allows immediate introduction of fish & can be used with fresh or saltwater aquariums.
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  • Sale!

    Fluval Cycle Biological Enhancer 500ml

    Standard 1-3 days delivery

    Original price was: £29.79.Current price is: £24.99.
    Extremely effective when setting up a new aquarium or introducing new fish to an existing one.
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  • Out of stock

    GDC IMAGE 132000 Treatments & Additives

    Collect In Store Only

    £0.00
    Details
  • It contains all essential trace elements found in natural seawater, organic & inorganic micronutrients, & amino acids in one set of 4 canisters!
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  • It contains all essential trace elements found in natural seawater, organic & inorganic micronutrients, & amino acids in one set of 4 canisters!
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  • Modern Reef BioDiversity 500ml

    Standard 1-3 days delivery

    £22.99
    Modern Reef BIODiversity will diversify & boost the microfauna in your reef aquarium, from bacteria to filter feeders & copepods to out-compete & feed on unwanted pests that may take over your reef aquariums.
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  • Modern Reef Complete Reef Food 100ml

    Standard 1-3 days delivery

    £46.99
    Complete Reef Food is part of our promotional consumption reef-keeping system.
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  • Modern Reef One-4 Reef 2.5 Litres

    Standard 1-3 days delivery

    £64.99
    ONE-4Reef is a super-concentrated pure organic form of our proportional consumption reef-keeping system in one canister.
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  • Modern Reef One-4 Reef 5 Litres

    Standard 1-3 days delivery

    £94.99
    ONE-4Reef is a super-concentrated pure organic form of our proportional consumption reef-keeping system in one canister.
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