{"product_id":"bioscape-impeller-assembly-bis501","title":"Bioscape Impeller Assembly BIS501","description":"\u003cp\u003e\u003cstrong\u003eThis is the replacement impeller assembly for the Bioscape Tropic BIS501 hang-on power filter.\u003c\/strong\u003e If the filter has gone quiet, stopped priming, or is only trickling water back into the tank, a worn or fouled impeller is the most likely cause — and on the BIS501 it's a straightforward swap rather than a new filter.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRestores rated flow\u003c\/strong\u003e — brings the BIS501 back to its full 750 L\/h once a worn or fouled impeller has been holding it back.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel-specific fit\u003c\/strong\u003e — sized for the BIS501 only. The smaller BIS499\/BIS500 and the larger BIS502 each use a different impeller assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits without dismantling the filter body\u003c\/strong\u003e — lifts out of the motor housing; the media basket and filter body aren't disturbed.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFits model\u003c\/th\u003e\n\u003cth\u003eFilter\u003c\/th\u003e\n\u003cth\u003eRated flow\u003c\/th\u003e\n\u003cth\u003eSuits tank size\u003c\/th\u003e\n\u003cth\u003eFilter power draw\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003eBIS501\u003c\/td\u003e\n\u003ctd\u003eBioscape Tropic Hang-On Power Filter (Large)\u003c\/td\u003e\n\u003ctd\u003e750 L\/h\u003c\/td\u003e\n\u003ctd\u003e114–152 L\u003c\/td\u003e\n\u003ctd\u003e7 W\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eWhich impeller do I need?\u003c\/h3\u003e\u003cp\u003eBioscape's Tropic hang-on range runs BIS499 through BIS502, and the impeller is specific to each model rather than shared across the range. If your filter is the smaller BIS499 or BIS500, see the \u003ca href=\"\/products\/bioscape-impeller-assembly-bis499-500\"\u003eBIS499\/500 impeller assembly\u003c\/a\u003e. If it's the largest model, see the \u003ca href=\"\/products\/bioscape-impeller-assembly-bis502\"\u003eBIS502 impeller assembly\u003c\/a\u003e. The model number is printed on the motor head.\u003c\/p\u003e\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\u003cp\u003eSuitable for a Bioscape BIS501 Tropic hang-on power filter that has lost flow, become noisy, or stopped running. Not suitable for Bioscape's Tropic canister filter range, or for the BIS499, BIS500 or BIS502 hang-on filters, which each take a different impeller.\u003c\/p\u003e\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\u003cp\u003eCovered against manufacturing defects under Bioscape's spare parts warranty, in addition to your rights under Australian Consumer Law. Ships by standard parcel post.\u003c\/p\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003ch4\u003eWill this fit my BIS499, BIS500 or BIS502?\u003c\/h4\u003e\u003cp\u003eNo — each model in the Tropic hang-on range uses its own impeller assembly. This one is sized for the BIS501 only.\u003c\/p\u003e\u003ch4\u003eDo I need tools to fit it?\u003c\/h4\u003e\u003cp\u003eNo. The impeller lifts out of the motor housing by hand — no screws or clips hold it in place.\u003c\/p\u003e\u003ch4\u003eWhat causes a Bioscape hang-on filter to lose flow?\u003c\/h4\u003e\u003cp\u003eMineral and debris build-up around the impeller and magnet increases friction and wears the shaft and blades over time. Replacing the impeller assembly is the standard fix, rather than replacing the whole filter.\u003c\/p\u003e","brand":"Bioscape","offers":[{"title":"Default Title","offer_id":55293065199907,"sku":"BIS522","price":18.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/bioscape-impeller-assembly-b-43179165450531.webp?v=1790234533","url":"https:\/\/nicksaquariumoceanariumterrarium.com.au\/products\/bioscape-impeller-assembly-bis501","provider":"Nicks AOT","version":"1.0","type":"link"}