Top sellers

  • £ 39.95
    RGcomplete®is a super-concentrated microalgal-based premium quality feed for filter-feeding invertebrates. It has been sized especially for Breeders, Aquarists, and Propagators and includes both a pH buffer and ClorAm-X® (ammonia neutralizer). It has a long refrigerated shelf life of at least 6 months.
    In Stock
  • Sale!
    £ 19.95
    Söchting Oxydators produce normal and activated oxygen in the aquarium by means of Oxydator solution and special ceramic catalysts. The activated oxygen decomposes particularly putrid matters and toxicants and, thus essentially improves the aquarium environment. Pure oxygen created by the Söchting Oxydator is mostly immediately dissolved in the water, so...
    In Stock
  • £ 10.95
    Cell-Hi F/2 liquidCell-Hi F2 is based on Guillard F/2 medium and has exactly the same N, P trace element and vitamin content.Dose: 1ml for every 2 litres of culture.
    In Stock
  • £ 8.14
    Clear refillable resin filter cartridge. Ideal for use with RowaPhos, Rowa Carbon and Purigen. This unit is placed inside a 10" RO pod and contains the filter media.  The RO pods can be purchased from HERE
    In Stock
  • £ 7.95
    The New Aqua Medic outlet strainers are manufactured out of cast ABS plastic.They have slits to prevent coarse detritus passing through. Available from us in the following sizes:• 20mm• 25mm• 32mm• 40mm  
    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
  • £ 7.14
    Replacement 4" Felt Pre Filter Sock An essential part for wet/dry filter systems, sumps, and diy filters.Used as mechanical filtration for any sumps and DIY filters. Removes excess food, detritus, organic wastes, and other particulates to lower ammonia levels and other undesirable substances.
    Product available with different options
  • £ 7.45
    Replacement Catalyst to be used with Oxydators: W, A, D.
    In Stock
  • Sale!
    £ 21.45
    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, Petrochromis)ZET-65 : Best for middle sized fish (Peacock, Tropheus etc.)ZET-55 : Best for small sized fish (Pseudotropheus,...
    In Stock
  • £ 12.95
    Species descriptions:Tisochrysis lutea (T-iso) - A staple species for the discerning hobbyist.  Combine with Tetraselmis suecica and Chaetocerous muelleri for a more complete feed for your zooplankton and larval fishes.  
    Out of stock
  • £ 17.95
    RotiGrow Plus® All-In-One Feed and Pre-Enrichment for live feeds such as rotifer & brine shrimp culturing. Eliminates or improves secondary enrichment with high DHA and HUFA levels.
    In Stock
  • £ 20.86
    This filter comes ready to take media such as carbon, purigen, phosphate remover or a combination of filter media. They come complete with 12mm hose tails suitable for 12mm inside diameter tube and have a maximum media capacity of 250ml.
    In Stock