{"product_id":"bioscape-bioscape-hang-on-filter-bio-screen-mlxl-1","title":"Bioscape Hang On Filter Bio screen M\/L\/XL (1)","description":"\u003cp\u003e\u003cstrong\u003eThe biological heart of the larger hang-on filters, sold as a straight replacement.\u003c\/strong\u003e This Bioscape Bio Screen fits the Hang On Power Filter Medium 550, Large 750 and X-Large 1000 (BIS500, BIS501, BIS502) — it does not fit the smaller Small 350, which takes its own screen size. It's the surface the filter's beneficial bacteria colonise to convert ammonia and nitrite into nitrate.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne screen, three filters\u003c\/strong\u003e — the Medium, Large and X-Large housings share the same screen size, so one part number covers all three.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh surface area\u003c\/strong\u003e — sized for the larger housings, giving more room for nitrifying bacteria than the Small screen.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle screen\u003c\/strong\u003e — sold individually so you can restock without buying a full media set.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU \/ part number\u003c\/td\u003e\n\u003ctd\u003eBIS517\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFits\u003c\/td\u003e\n\u003ctd\u003eHang On Power Filter Medium 550 (BIS500), Large 750 (BIS501), X-Large 1000 (BIS502)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack size\u003c\/td\u003e\n\u003ctd\u003e1 screen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunction\u003c\/td\u003e\n\u003ctd\u003eBiological media — colonisation surface for nitrifying bacteria\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhich one do I need?\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eYour filter\u003c\/th\u003e\n\u003cth\u003eBio screen to buy\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eHang On Power Filter Medium 550 \/ Large 750 \/ X-Large 1000\u003c\/td\u003e\n\u003ctd\u003eThis one — Bio Screen M\/L\/XL (BIS517)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHang On Power Filter Small 350 (BIS499)\u003c\/td\u003e\n\u003ctd\u003eBio Screen S (BIS516) instead\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuitable for:\u003c\/strong\u003e the Bioscape Hang On Power Filter Medium 550, Large 750 and X-Large 1000.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot suitable for:\u003c\/strong\u003e the Small 350 — that model uses a smaller, dedicated screen.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\n\u003cp\u003eRinse the screen in water taken from your own tank during a water change, rather than tap water, to avoid killing the bacteria colony. When it's physically worn out and due for replacement, run the old and new screens together for around two weeks so bacteria have time to establish on the new one before the old one is retired.\u003c\/p\u003e\n\n\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\n\u003cp\u003eCovered against manufacturing defects on arrival, in addition to your rights under Australian Consumer Law. Ships as a standard parcel item.\u003c\/p\u003e\n\n\u003ch3\u003eCommon questions\u003c\/h3\u003e\n\u003ch4\u003eDoes this fit my Small 350 filter?\u003c\/h4\u003e\n\u003cp\u003eNo. The Small 350 uses a smaller, dedicated bio screen — this size only fits the Medium 550, Large 750 and X-Large 1000.\u003c\/p\u003e\n\u003ch4\u003eHow do I know when to replace it?\u003c\/h4\u003e\n\u003cp\u003eBioscape doesn't publish a fixed interval. Replace it once it's visibly breaking down or crumbling rather than to a calendar, and rinse rather than replace it at every water change.\u003c\/p\u003e\n\u003ch4\u003eDo I need to cycle a new screen before using it?\u003c\/h4\u003e\n\u003cp\u003eRun it alongside your old screen for about two weeks first, so the bacteria colony transfers across before you remove the old one.\u003c\/p\u003e","brand":"Bioscape","offers":[{"title":"Default Title","offer_id":54774340747555,"sku":"BIS517","price":18.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/BIS517_2.jpg?v=1782869003","url":"https:\/\/nicksaquariumoceanariumterrarium.com.au\/products\/bioscape-bioscape-hang-on-filter-bio-screen-mlxl-1","provider":"Nicks Aquarium Oceanarium Terrarium","version":"1.0","type":"link"}