• £ 5.45
    Replacement Catalysts to be used with Oxydator Mini.
    In Stock
  • £ 7.23
    Reducing T pieces are used for the connection of bypass filters like the Nitratreductor and the Calcium Reactor.
    In Stock
  • £ 6.32
    REPLACEMENT FILTER FOR 10" WATER FILTERS These Wound sediment & particle filters are capable of removing suspended particles from the aquarium water, with three sizes available: 1, 5, 10, 25 and 50 micron options. When purchasing please select the size you require.
    Product available with different options
  • £ 7.95
    Aquarium Filter Media Product DescriptionThis specifically graded natural filter media will provide a huge surface area for biological filters to develop. Each litre of media provides a surface area greater than 600m2 and is ideal for use in all water types. It has a structure which is suitable for both aerobic and anaerobic filtration.
    In Stock
  • £ 7.45
    Replacement Catalyst to be used with Oxydators: W, A, D.
    In Stock
  • £ 8.59
    The SPECTRUM 870 Carbon Wrap The media used in the SCW is a unique combination of powder activated carbon impregnated into a cellulose fibre which is formed into a sheet and wrapped around a polypropylene core.   This filter is suitable for use in a standard 10" housing.
    In Stock
  • £ 5.95
    Powerful rechargeable chemical filtration pad for all power filters.  Removes ammonia, phosphates, heavy metals, and all types of organics.  High flowrate capacity. 
    In Stock
  • Sale!
    £ 26.95
    We are pleased to announce that Marines by Post (Seahorse Breeder) are the UK agents for ZissAqua TumblersInnovative Aquarium Fish Egg Incubator / Tumblers (ZET-80, ZET-65 and ZET-55) ZET-80 : Best for big sized fish (Frontosa, P)etrochromis)ZET-65 : Best for middle sized fish (Peacock, Tropheus etc.)ZET-55 : Best for small sized fish (Pseudotropheus,...
    In Stock
  • £ 12.95
    Powerful rechargeable chemical filtration pad for all power filters.  Removes ammonia, phosphates, heavy metals, and all types of organics.  High flowrate capacity. 
    In Stock
  • Sale!
    £ 25.45
    We are pleased to announce that Marines by Post (Seahorse Breeder) are the UK agents for ZissAqua TumblersInnovative Aquarium Fish Egg Incubator / Tumblers (ZET-80, ZET-65 and ZET-55) ZET-80 : Best for big sized fish (Frontosa, P)etrochromis)ZET-65 : Best for middle sized fish (Peacock, Tropheus etc.)ZET-55 : Best for small sized fish (Pseudotropheus,...
    In Stock
  • £ 4.25
    Pre-Filter Foam Sponge for Fluvial and other canister filters Aquarium Fish Tank
    Product available with different options
  • £ 9.45
    Biological Air Driven Sponge FilterWith the addition of an airpump (not supplied) these biochemical sponge filter have an excellent filtering effect while oxygenating the water. The foam materials supports the colonization of bacteria, allowing for mechanical filtration in addition to biological filtration, which will break down harmful waste, ammonia and...
    In Stock