{"product_id":"hozelock-k3-media-3l-bag","title":"Hozelock K3 Filter Media 3L Ecopower Pond Koi Biological Filter","description":"\u003ch2\u003eGenuine Hozelock K3 Biological Filter Media 3L – Pond Filter Refill\u003c\/h2\u003e\r\n\r\n\u003cp\u003eMaintain effective pond filtration with \u003cstrong\u003eGenuine Hozelock K3 Biological Filter Media 3L\u003c\/strong\u003e, a high-quality biological filtration media designed to support beneficial bacteria and help maintain healthy pond water conditions.\u003c\/p\u003e\r\n\r\n\u003cp\u003eSuitable for compatible \u003cstrong\u003eHozelock Ecopower pond filters\u003c\/strong\u003e and other suitable biological filtration systems, K3 media provides a large surface area for beneficial bacteria to colonise, helping support the natural breakdown of ammonia and nitrite produced by fish waste and decomposing organic matter.\u003c\/p\u003e\r\n\r\n\u003cp\u003eSupplied in an \u003cstrong\u003eapproximately 3 litre pack\u003c\/strong\u003e, this durable, wheel-shaped biological filter media is ideal for replacing existing media, upgrading suitable filter chambers or maintaining established pond filtration systems.\u003c\/p\u003e\r\n\r\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\r\n\r\n\u003cul\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eGenuine Hozelock Filter Media\u003c\/strong\u003e – Original Hozelock K3 biological filtration media\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eApproximately 3 Litres\u003c\/strong\u003e – Convenient quantity for pond filter maintenance\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Biological Filtration\u003c\/strong\u003e – Provides a large surface area for beneficial bacteria to colonise\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eSupports Healthy Pond Water\u003c\/strong\u003e – Helps maintain the biological breakdown of ammonia and nitrite\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eWheel-Shaped Media\u003c\/strong\u003e – Designed to encourage effective water circulation around the media\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eSelf-Cleaning Action\u003c\/strong\u003e – Movement within suitable aerated filter chambers helps reduce accumulated debris\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction\u003c\/strong\u003e – Designed for long-term use within compatible pond filtration systems\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eIdeal for Filter Upgrades\u003c\/strong\u003e – Suitable for retrofitting compatible existing filter bays\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003ePond \u0026amp; Koi Filtration\u003c\/strong\u003e – Suitable for garden ponds, koi ponds and compatible biological filtration systems\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003ch3\u003eEffective Biological Filtration\u003c\/h3\u003e\r\n\r\n\u003cp\u003e\u003cstrong\u003eHozelock K3 Biological Filter Media\u003c\/strong\u003e provides a suitable surface for beneficial bacteria to establish and develop within your pond filtration system.\u003c\/p\u003e\r\n\r\n\u003cp\u003eAs pond water passes through the filter chamber, established bacteria help convert harmful ammonia into nitrite and subsequently into less harmful nitrate, supporting stable biological filtration.\u003c\/p\u003e\r\n\r\n\u003cp\u003eThis makes K3 media a practical choice for pond keepers looking to maintain effective biological filtration and suitable water conditions for koi and other ornamental pond fish.\u003c\/p\u003e\r\n\r\n\u003ch3\u003eMoving Bed \u0026amp; Self-Cleaning Design\u003c\/h3\u003e\r\n\r\n\u003cp\u003eK3 media features a wheel-shaped structure and slightly positive buoyancy, allowing it to circulate within a suitable moving bed filtration chamber.\u003c\/p\u003e\r\n\r\n\u003cp\u003eAir supplied through an air pump, air stones or diffuser creates movement within the chamber, causing the media to circulate and gently collide.\u003c\/p\u003e\r\n\r\n\u003cp\u003eThis continuous movement helps reduce excessive waste accumulation and supports a self-cleaning action, reducing the need for frequent manual cleaning.\u003c\/p\u003e\r\n\r\n\u003ch3\u003eIdeal for Retrofitting Existing Pond Filters\u003c\/h3\u003e\r\n\r\n\u003cp\u003eCompared with smaller K1 media, K3 features a larger wheel-shaped design that can make it easier to configure and manage within suitable existing filter bays.\u003c\/p\u003e\r\n\r\n\u003cp\u003eIt is particularly useful for pond keepers looking to upgrade or adapt an existing biological filtration system.\u003c\/p\u003e\r\n\r\n\u003cp\u003eAlways ensure the filter chamber is suitable for K3 media and that the media cannot escape through the filter outlets.\u003c\/p\u003e\r\n\r\n\u003ch3\u003eSuitable For:\u003c\/h3\u003e\r\n\r\n\u003cul\u003e\r\n\u003cli\u003eCompatible Hozelock Ecopower pond filters\u003c\/li\u003e\r\n\u003cli\u003eSuitable biological pond filtration systems\u003c\/li\u003e\r\n\u003cli\u003eMoving bed filtration chambers\u003c\/li\u003e\r\n\u003cli\u003eKoi pond filtration systems\u003c\/li\u003e\r\n\u003cli\u003eGarden pond filters\u003c\/li\u003e\r\n\u003cli\u003eRetrofitting compatible filter bays\u003c\/li\u003e\r\n\u003cli\u003eCustom biological filtration systems\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003ch3\u003eSpecifications:\u003c\/h3\u003e\r\n\r\n\u003cul\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hozelock\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Genuine K3 Biological Filter Media\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eMedia Type:\u003c\/strong\u003e Biological \/ Moving Bed Filter Media\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e Wheel-Shaped\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eVolume:\u003c\/strong\u003e Approximately 3 Litres\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Pond \u0026amp; Koi Biological Filtration\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Suitable Hozelock \u0026amp; Other Compatible Filtration Systems\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003ch3\u003ePack Contents:\u003c\/h3\u003e\r\n\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cstrong\u003e1 x Genuine Hozelock K3 Biological Filter Media – Approximately 3L\u003c\/strong\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003ch3\u003eImportant Information:\u003c\/h3\u003e\r\n\r\n\u003cp\u003e\u003cstrong\u003eThis listing is for genuine Hozelock K3 biological filter media, not an aftermarket alternative.\u003c\/strong\u003e\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003cstrong\u003ePlease Note:\u003c\/strong\u003e The 3 litre volume is approximate. Packaging may vary depending on stock availability.\u003c\/p\u003e\r\n\r\n\u003cp\u003eThis listing includes the biological filter media only. The complete pond filter, air pump, air stones and other filtration accessories are not included.\u003c\/p\u003e\r\n\r\n\u003cp\u003eNot all Hozelock Ecopower filters are designed to operate as moving bed filters. Please check your existing filtration system and filter chamber before ordering.\u003c\/p\u003e\r\n\r\n\u003cp\u003eFor moving bed applications, suitable aeration and water circulation are required to keep the media moving effectively.\u003c\/p\u003e\r\n\r\n\u003cp\u003eMaintain effective pond filtration with \u003cstrong\u003eGenuine Hozelock K3 Biological Filter Media 3L\u003c\/strong\u003e, a durable and practical solution for compatible garden pond and koi pond filtration systems.\u003c\/p\u003e","brand":"Hozelock","offers":[{"title":"Default Title","offer_id":58847401443711,"sku":"1021321","price":16.95,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/7374\/8802\/files\/81sve9pplkl.jpg?v=1792221702","url":"https:\/\/aquacadabra.com\/products\/hozelock-k3-media-3l-bag","provider":"Aquacadabra","version":"1.0","type":"link"}