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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!

    NT Labs Marine Filter Media Bags (x3)

    Standard 1-3 days delivery

    Original price was: £8.99.Current price is: £8.09.
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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.
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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.
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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.
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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.
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  • Out of stock

    GDC IMAGE 132000 Treatments & Additives

    Collect In Store Only

    £0.00
    Details
  • Sale!

    Seachem Replenish 250ml

    Standard 1-3 days delivery

    Original price was: £10.49.Current price is: £5.49.
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  • Sale!

    Seachem PhosGuard Phosphate & Silicate Adsorber 100ml

    Standard 1-3 days delivery

    Original price was: £9.99.Current price is: £5.29.
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  • Sale!

    Seachem Prime Water Conditioner 50ml

    Standard 1-3 days delivery

    Original price was: £7.39.Current price is: £6.19.
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  • Out of stock
    Sale!

    Seachem Cupramine Copper Treatment 50ml

    Standard 1-3 days delivery

    Original price was: £10.99.Current price is: £9.29.
    Details
  • Sale!

    Seachem Reef Dip Coral Disinfectant 100ml

    Standard 1-3 days delivery

    Original price was: £12.99.Current price is: £6.79.
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  • Sale!

    Seachem Neutral Regulator pH Adjuster 50g

    Standard 1-3 days delivery

    Original price was: £7.89.Current price is: £4.15.
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