{"product_id":"hydroball-leca-expanded-clay-media-50l-9-16mm","title":"Hydroball LECA Expanded Clay Media – 50L (9–16mm)","description":"\u003cp\u003eWhether you're building a Koi pond biofilter or filling an aquaponics grow bed, Hydroball LECA gives you a reusable, lightweight medium that is easy to work with. These expanded clay granules are approximately 9–16 mm across and supplied in a generous 50-litre bag.\u003c\/p\u003e\u003ch3\u003eWhere it works best\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003ePond and aquarium biofilters:\u003c\/strong\u003e The clay aggregate provides surfaces for beneficial bacteria to colonise once a filter has matured. It can form part of a properly designed biological filtration system, but it does not replace mechanical filtration, adequate flow or routine water testing.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAquaponics and hydroponics:\u003c\/strong\u003e The porous medium helps anchor plant roots while allowing drainage and access to air and moisture. It can also be used as a growing medium for suitable container-grown plants.\u003c\/p\u003e\u003ch3\u003eProduct details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolume:\u003c\/strong\u003e 50 litres\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGranule size:\u003c\/strong\u003e approximately 9–16 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e LECA (lightweight expanded clay aggregate)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUses:\u003c\/strong\u003e biological filter media, aquaponics, hydroponics and growing media\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReusable:\u003c\/strong\u003e yes, with appropriate cleaning between uses\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eBefore using\u003c\/h3\u003e\u003cp\u003eRinse the media thoroughly to remove clay dust and fines before adding it to a filter or grow bed. In a Koi pond, secure loose media in a suitable chamber or basket so it cannot be swallowed or scattered by fish. LECA may float initially; pre-soaking and the filter's layout will affect how it sits. Check the amount you need against the actual dimensions and design of your filter.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e This is one 50-litre bag of 9–16 mm media, not the smaller 2–4 mm grade. Delivery of bulky bags may be quoted separately depending on destination.\u003c\/p\u003e","brand":"Glass \u0026 Gill","offers":[{"title":"Default Title","offer_id":54159385952550,"sku":"GG-HYDROBALL-LECA-50L-916","price":550.0,"currency_code":"ZAR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1019\/9810\/0774\/files\/glass-gill-leca-916-50l-illustration_8ea0c99a-c84e-486d-ad8f-2c5d9652347c.png?v=1792524735","url":"https:\/\/www.glassandgill.co.za\/products\/hydroball-leca-expanded-clay-media-50l-9-16mm","provider":"Glass And Gill","version":"1.0","type":"link"}