{"product_id":"fluval-c4-hang-on-filter-carbon","title":"Fluval C4 Hang On Filter Carbon","description":"\u003cp\u003e\u003cstrong\u003eChemical filtration sized for the C4's carbon stage, not a universal fit.\u003c\/strong\u003e This is Fluval's genuine activated carbon cartridge for the C4 hang-on power filter's chemical stage, sold as three 140 g cartridges. Activated carbon adsorbs dissolved organics, odours, discolouration and many medications from aquarium water as it passes through the filter.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Fluval part 14013\u003c\/strong\u003e — cut and sized to sit in the C4's dedicated chemical media chamber.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3 x 140 g cartridges\u003c\/strong\u003e — one cartridge per media change, with two spares for future changes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemoves odours and discolouration\u003c\/strong\u003e — including tannin yellowing from driftwood or catappa leaves, and general water-clarity haze.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdsorbs dissolved organics\u003c\/strong\u003e — helping keep water polished between larger maintenance sessions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDoes this fit my filter?\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFilter\u003c\/th\u003e\n\u003cth\u003eFits\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFluval C4\u003c\/td\u003e\n\u003ctd\u003eYes — this is the correct carbon cartridge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFluval C2 \/ Fluval C3\u003c\/td\u003e\n\u003ctd\u003eNo — different chemical media sizing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's included\u003c\/h3\u003e\n\u003cp\u003eThree 140 g activated carbon cartridges for the C4's chemical filtration stage.\u003c\/p\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 Fluval C4 filters running on freshwater or marine (fish-only) aquariums where odour and discolouration control is wanted.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot suitable for\u003c\/strong\u003e tanks currently under medication — carbon will strip most medications from the water, so remove it before dosing and only reinstall once the treatment course is finished. Not suitable for Fluval C2 or C3 filters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\n\u003cp\u003eReplace roughly every 2-4 weeks of continuous use — activated carbon has a finite adsorption capacity and stops removing organics once exhausted, even though it keeps water flowing through it. It does not need rinsing before use.\u003c\/p\u003e\n\n\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\n\u003cp\u003eCovered by Fluval's standard parts warranty against manufacturing defects, in addition to your rights under Australian Consumer Law. Standard parcel freight.\u003c\/p\u003e\n\n\u003ch3\u003eCommon questions\u003c\/h3\u003e\n\u003ch4\u003eWill this fit a Fluval C2 or C3?\u003c\/h4\u003e\n\u003cp\u003eNo — the C2 and C3 use their own carbon cartridge sizing. This one is cut for the C4's chamber only.\u003c\/p\u003e\n\u003ch4\u003eDo I need to remove carbon before medicating my tank?\u003c\/h4\u003e\n\u003cp\u003eYes. Activated carbon adsorbs most aquarium medications along with organics and discolouration, so remove it before dosing and reinstall once the treatment course finishes.\u003c\/p\u003e\n\u003ch4\u003eHow long does one cartridge last?\u003c\/h4\u003e\n\u003cp\u003eRoughly 2-4 weeks under continuous use, depending on bioload and how much organic matter and discolouration it's adsorbing.\u003c\/p\u003e\n","brand":"Fluval","offers":[{"title":"Default Title","offer_id":55293298966819,"sku":"FLC03C","price":15.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/FLC03c_3.png?v=1782879723","url":"https:\/\/nicksaquariumoceanariumterrarium.com.au\/products\/fluval-c4-hang-on-filter-carbon","provider":"Nicks Aquarium Oceanarium Terrarium","version":"1.0","type":"link"}