{"product_id":"tunze-nano-doc-protein-skimmer-9004-open-box","title":"Tunze Nano DOC Protein Skimmer - 9004 - OPEN BOX","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eTunze Nano DOC Protein Skimmer - 9004\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan style=\"color: rgb(255, 0, 0);\"\u003eOPEN BOX - NEW \/ UNUSED \u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Tunze Nano DOC Protein Skimmer - 9004 is an internal protein skimmer for compact marine and reef aquariums from 60 to 250 litres, depending on tank load. It combines surface suction, compact Comline construction, quiet operation, and easy magnetic installation for reliable nutrient export without sump plumbing.\u003c\/p\u003e\n\u003ch3\u003eTunze 9004 Internal Skimmer for Compact Reef Systems\u003c\/h3\u003e\n\u003cp\u003eThe Nano DOC 9004 is a practical choice for reef aquariums that need more skimming capacity than the smallest nano skimmers but still require an internal in-display or rear-chamber installation. It helps remove dissolved organic compounds before they break down into nitrate and phosphate, supporting clearer water and improved oxygen exchange.\u003c\/p\u003e\n\u003ch3\u003eNano DOC 9004 Skimming Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal DOC skimmer:\u003c\/strong\u003e Designed for compact saltwater aquariums and reef systems from 60 to 250 L.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSurface suction:\u003c\/strong\u003e Draws organic-rich surface water into the skimmer and helps remove surface film.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficient foam production:\u003c\/strong\u003e Approximate 150 L\/h air capacity supports steady protein skimming.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow power draw:\u003c\/strong\u003e Uses only 4 W for continuous operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBubble-conscious design:\u003c\/strong\u003e Helps return water cleanly to the aquarium when properly installed and adjusted.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnetic mounting:\u003c\/strong\u003e Magnet Holder supports secure installation on glass up to 12 mm thick.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy maintenance:\u003c\/strong\u003e Collection cup and skimmer components are accessible for routine cleaning.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eNano DOC 9004 Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Internal aquarium protein skimmer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended aquarium size:\u003c\/strong\u003e 60-250 L or 15-65 US gallons of seawater depending on tank load\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImmersion depth:\u003c\/strong\u003e Approx. 225-245 mm or 8.9\"-9.7\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSkimmer cup volume:\u003c\/strong\u003e 0.2 L or 0.05 US gallons\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAir capacity:\u003c\/strong\u003e Approx. 150 L\/h or 40 US gal\/h\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnergy consumption:\u003c\/strong\u003e 4 W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage \/ frequency:\u003c\/strong\u003e 230 V \/ 50 Hz or 115 V \/ 60 Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 110 x 90 x 305 mm or 4.3\" x 3.5\" x 12\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnet Holder:\u003c\/strong\u003e For glass up to 12 mm or 1\/2\"\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e9004 Aquarium Placement Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest application:\u003c\/strong\u003e Nano reefs, compact marine aquariums, and small to midsize saltwater systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater level requirement:\u003c\/strong\u003e Stable immersion depth is important for consistent foam height.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSurface intake planning:\u003c\/strong\u003e Position the skimmer so the intake can pull from the surface without being blocked by rockwork or equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrganic load rating:\u003c\/strong\u003e Reduce the recommended aquarium size for heavier fish loads or more sensitive reef systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTunze 9004 Setup Directions\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eInstall the skimmer in a saltwater aquarium at the recommended immersion depth.\u003c\/li\u003e\n\u003cli\u003eUse the Magnet Holder on clean aquarium glass within the supported glass thickness.\u003c\/li\u003e\n\u003cli\u003eKeep the surface intake open and positioned where it can remove surface film effectively.\u003c\/li\u003e\n\u003cli\u003eAllow time for break-in before making final performance adjustments.\u003c\/li\u003e\n\u003cli\u003eEmpty and clean the collection cup regularly.\u003c\/li\u003e\n\u003cli\u003eUnplug the skimmer before cleaning, repositioning, or removing it from the aquarium.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTunze Nano DOC Protein Skimmer - 9004 body with foamer\u003c\/li\u003e\n\u003cli\u003eMagnet Holder\u003c\/li\u003e\n\u003cli\u003eCollection cup\u003c\/li\u003e\n\u003cli\u003eSilencer and accessories\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eALL SALES FINAL ON CLEARANCE ITEMS NO RETURNS, REFUNDS OR EXCHANGES.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h4\u003e\n\u003c\/div\u003e","brand":"Tunze","offers":[{"title":"Default Title","offer_id":52020190642464,"sku":"TZ-PS9004-OP","price":249.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8222\/5696\/files\/TUNZE-SKIMMER-DOC9004-1_43b5a674-b329-40a1-9876-90a9bfe37ed0.png?v=1784761642","url":"https:\/\/aquariumsupplydirect.com\/products\/tunze-nano-doc-protein-skimmer-9004-open-box","provider":"J\u0026L Aquatics - Aquarium Supply Direct","version":"1.0","type":"link"}