{"product_id":"oase-bio-master-250","title":"Oase Bio Master Thermo 2 Canister Filter","description":"\u003ch3\u003eProduct overview\u003c\/h3\u003e\n\u003cp\u003eThe Oase BioMaster Thermo 2 is an external canister filter with a built-in heater for planted and heavily stocked tanks. Clear water and a stable biofilter need steady turnover. If cleaning a canister is messy, it gets skipped, debris builds up, flow drops, and water quality suffers.\u003c\/p\u003e\n\u003cp\u003eThe EasyClean pre-filter lets you pull the mechanical sponges without stripping the filter head. The \u003ca href=\"\/products\/oase-heat-up-heater\"\u003eOase HeatUp heater\u003c\/a\u003e sits in the canister, so there is no glass heater tube in the display. Water is meant to pass through sealed channels into high-surface Hel-X bio-media rather than bypassing the media.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasyClean pre-filter:\u003c\/strong\u003e Sealed sponge module slides out of the head for a quick rinse, without flooding the cabinet.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrated heater:\u003c\/strong\u003e Bi-metal \u003ca href=\"\/products\/oase-heat-up-heater\"\u003eHeatUp\u003c\/a\u003e element in the water column inside the canister — no extra power cord or heater tube in the aquascape.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHel-X media:\u003c\/strong\u003e Floating plastic biomedia with a large surface area for nitrifying bacteria.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShut-off valves:\u003c\/strong\u003e Pathways seal during cleaning so the canister does not back-siphon or drip on the floor.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSelf-priming:\u003c\/strong\u003e Manual pump lever pulls water down from the tank after a clean.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlow control:\u003c\/strong\u003e Dial valves on the intake and outlet to set turnover.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWater and system compatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWater:\u003c\/strong\u003e Freshwater and marine (including fish-only displays).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Planted aquascapes, heavy-bioload African cichlid tanks, freshwater shrimp, and marine fish-only systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCabinet:\u003c\/strong\u003e Square 240 × 240 mm base to sit in a standard aquarium cabinet without twisting the hoses.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eModels\u003c\/h3\u003e\n\u003cp\u003eAll sizes use 16\/22 mm hose and the same 240 × 240 mm footprint. Height, media volume, flow, and \u003ca href=\"\/products\/oase-heat-up-heater\"\u003eHeatUp\u003c\/a\u003e wattage increase with the model.\u003c\/p\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eModel\u003c\/th\u003e\n      \u003cth\u003eMax aquarium\u003c\/th\u003e\n      \u003cth\u003eMax pump flow\u003c\/th\u003e\n      \u003cth\u003eBiological filter volume\u003c\/th\u003e\n      \u003cth\u003ePre-filter volume\u003c\/th\u003e\n      \u003cth\u003ePump power\u003c\/th\u003e\n      \u003cth\u003eIntegrated heater\u003c\/th\u003e\n      \u003cth\u003eUnit height\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eThermo 250\u003c\/td\u003e\n      \u003ctd\u003eUp to 250 L\u003c\/td\u003e\n      \u003ctd\u003e900 L\/h\u003c\/td\u003e\n      \u003ctd\u003e4.4 L\u003c\/td\u003e\n      \u003ctd\u003e0.4 L\u003c\/td\u003e\n      \u003ctd\u003e15 W\u003c\/td\u003e\n      \u003ctd\u003e\u003ca href=\"\/products\/oase-heat-up-heater\"\u003e150 W HeatUp\u003c\/a\u003e\u003c\/td\u003e\n      \u003ctd\u003e370 mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eThermo 350\u003c\/td\u003e\n      \u003ctd\u003eUp to 350 L\u003c\/td\u003e\n      \u003ctd\u003e1,100 L\/h\u003c\/td\u003e\n      \u003ctd\u003e5.6 L\u003c\/td\u003e\n      \u003ctd\u003e0.5 L\u003c\/td\u003e\n      \u003ctd\u003e18 W\u003c\/td\u003e\n      \u003ctd\u003e\u003ca href=\"\/products\/oase-heat-up-heater\"\u003e200 W HeatUp\u003c\/a\u003e\u003c\/td\u003e\n      \u003ctd\u003e425 mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eThermo 600\u003c\/td\u003e\n      \u003ctd\u003eUp to 600 L\u003c\/td\u003e\n      \u003ctd\u003e1,250 L\/h\u003c\/td\u003e\n      \u003ctd\u003e6.8 L\u003c\/td\u003e\n      \u003ctd\u003e0.6 L\u003c\/td\u003e\n      \u003ctd\u003e22 W\u003c\/td\u003e\n      \u003ctd\u003e\u003ca href=\"\/products\/oase-heat-up-heater\"\u003e300 W HeatUp\u003c\/a\u003e\u003c\/td\u003e\n      \u003ctd\u003e480 mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eThermo 850\u003c\/td\u003e\n      \u003ctd\u003eUp to 850 L\u003c\/td\u003e\n      \u003ctd\u003e1,500 L\/h\u003c\/td\u003e\n      \u003ctd\u003e8.0 L\u003c\/td\u003e\n      \u003ctd\u003e0.6 L\u003c\/td\u003e\n      \u003ctd\u003e25 W\u003c\/td\u003e\n      \u003ctd\u003e\u003ca href=\"\/products\/oase-heat-up-heater\"\u003e400 W HeatUp\u003c\/a\u003e\u003c\/td\u003e\n      \u003ctd\u003e535 mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eInstallation and care\u003c\/h3\u003e\n\u003cp\u003e\u003cem\u003eAlways follow dosage \u0026amp; directions on product packaging.\u003c\/em\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNever run dry:\u003c\/strong\u003e Prime and flood the canister before plugging it in. A dry impeller can overheat the ceramic shaft.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePre-filter:\u003c\/strong\u003e Rinse the sponge stack every 1–2 weeks so debris does not starve the main pump of flow.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeater:\u003c\/strong\u003e Unplug and let the \u003ca href=\"\/products\/oase-heat-up-heater\"\u003eHeatUp\u003c\/a\u003e element cool for at least 15 minutes before draining the canister for a deep clean.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHoses:\u003c\/strong\u003e Flush 16\/22 mm lines and intake\/outlet pipes with a pipe brush from time to time to clear slime.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Oase\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRange:\u003c\/strong\u003e BioMaster Premium (Generation 2)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e External thermo canister filter\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHose:\u003c\/strong\u003e 16\/22 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e 230 V \/ 50 Hz, Australian plug\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Oase","offers":[{"title":"Oase Thermo 2 250","offer_id":54242895003953,"sku":null,"price":499.0,"currency_code":"AUD","in_stock":true},{"title":"Oase Thermo 2 350","offer_id":54242895036721,"sku":null,"price":599.0,"currency_code":"AUD","in_stock":false},{"title":"Oase Thermo 2 600","offer_id":54242895069489,"sku":null,"price":679.0,"currency_code":"AUD","in_stock":true},{"title":"Oase Thermo 2 850","offer_id":54242895102257,"sku":null,"price":899.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/6066\/3601\/files\/oase_canister_product.png?v=1789714914","url":"https:\/\/www.williamstownaquarium.com.au\/products\/oase-bio-master-250","provider":"Williamstown Aquarium","version":"1.0","type":"link"}