{"product_id":"fluval-ac20-bio-foam-insert-blue-3-pack","title":"Fluval AC20 Bio Foam Insert Blue 3 Pack","description":"\u003cp\u003e\u003cstrong\u003eTraps debris and carries the bacteria your filter needs, in one block.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eGenuine Fluval bio-foam insert, item 19670, made for the AquaClear 20 power filter. Sold three to a pack, this is the dense blue foam that sits in the AquaClear's main media basket, combining mechanical filtration with a home for the beneficial bacteria that keep ammonia and nitrite down.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Fluval, item 19670\u003c\/strong\u003e — cut to the AquaClear 20 basket, seating flush without gaps that let water bypass the media.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-dense 30 PPI construction\u003c\/strong\u003e — coarse enough to avoid clogging fast, dense enough to give bacteria real surface area to colonise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo jobs in one media\u003c\/strong\u003e — mechanical trapping of debris and biological filtration together, which is why it should never be replaced all at once (see below).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree-pack\u003c\/strong\u003e — enough for a staggered rotation without an extra order.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer item number\u003c\/th\u003e\n\u003ctd\u003e19670\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack quantity\u003c\/th\u003e\n\u003ctd\u003e3 foam inserts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFoam density\u003c\/th\u003e\n\u003ctd\u003e30 PPI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFits\u003c\/th\u003e\n\u003ctd\u003eAquaClear 20 power filter (5–20 US Gal \/ 18–76 L)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWater type\u003c\/th\u003e\n\u003ctd\u003eFreshwater and marine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWill it fit my filter?\u003c\/h3\u003e\n\u003cp\u003eThis foam is cut for the AquaClear 20 only. The AquaClear 30 uses a larger foam insert sold separately — check the model number printed on the filter body, since the 20 and 30 housings look similar at a glance.\u003c\/p\u003e\n\n\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\n\u003cp\u003eSuitable for routine media rotation and for restoring flow on a filter that has slowed from a clogged foam block. Not suitable for the AquaClear 30, 50, 70 or 110 — each size takes its own foam insert.\u003c\/p\u003e\n\n\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\n\u003cp\u003eRinse the foam in removed tank water, never tap water, to avoid killing the bacteria colony it carries. Replace only one of the three pads at a time, staggered by a few weeks each — replacing all the biological media in one go can trigger a mini ammonia spike as the colony resets.\u003c\/p\u003e\n\n\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\n\u003cp\u003eSupplied as genuine Fluval filter media. Your rights under the Australian Consumer Law apply in full and nothing here limits them. Ships as a standard small parcel anywhere in Australia.\u003c\/p\u003e\n\n\u003ch3\u003eCommon questions\u003c\/h3\u003e\n\u003ch4\u003eDoes this fit the AquaClear 30?\u003c\/h4\u003e\n\u003cp\u003eNo. The AquaClear 30 takes a larger foam insert. This pack is sized for the AquaClear 20 only.\u003c\/p\u003e\n\u003ch4\u003eShould I replace all three pads at once?\u003c\/h4\u003e\n\u003cp\u003eNo — stagger replacement across the pack so the tank never loses its whole biological filter colony in one service.\u003c\/p\u003e\n\u003ch4\u003eCan I rinse this foam in tap water?\u003c\/h4\u003e\n\u003cp\u003eRinse in removed tank water instead. Tap water chlorine or chloramine can kill the bacteria the foam is carrying.\u003c\/p\u003e\n","brand":"Fluval","offers":[{"title":"Default Title","offer_id":55293294706979,"sku":"FAQ20","price":9.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/fluval-ac20-bio-foam-insert-43180034588963.webp?v=1790235223","url":"https:\/\/nicksaquariumoceanariumterrarium.com.au\/products\/fluval-ac20-bio-foam-insert-blue-3-pack","provider":"Nicks AOT","version":"1.0","type":"link"}