{"product_id":"reef-octopus-octo-reef-sump-system-premium-acrylic-reef-sumps-with-built-in-ato-reservoir","title":"Reef Octopus OCTO Reef Sump System | Premium Acrylic Reef Sumps with Built-In ATO Reservoir","description":"\u003ch1\u003eReef Octopus OCTO Reef Sump | Premium Acrylic Reef Sump with Built-In ATO Reservoir | 15A, 24A, 30A \u0026amp; 36A\u003c\/h1\u003e\n\u003cp\u003eCreate the foundation for a healthier, cleaner, and more organized reef aquarium with the \u003cstrong\u003eReef Octopus OCTO Reef Sump\u003c\/strong\u003e. Designed with both beginner and advanced reef keepers in mind, the OCTO Series combines premium acrylic construction, intelligent chamber layouts, adjustable water levels, and an integrated freshwater ATO reservoir into one beautifully engineered filtration system.\u003c\/p\u003e\n\u003cp\u003eAvailable in \u003cstrong\u003efour sizes\u003c\/strong\u003e, the OCTO Reef Sump allows you to choose the perfect model for your aquarium while providing ample room for protein skimmers, return pumps, heaters, probes, media reactors, and future upgrades.\u003c\/p\u003e\n\u003cp\u003eWhether you're building your first reef aquarium or upgrading an existing system, the OCTO Series delivers the quality, reliability, and thoughtful design Reef Octopus is known for.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch1\u003eKey Features\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003ePremium cell-cast acrylic construction\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFour sizes available to fit a wide range of aquariums\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIntegrated freshwater ATO reservoir\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAdjustable skimmer chamber water depth (5.1\"–9\")\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQuiet bubble-diffusing intake chamber\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFilter sock holder compatible with fleece filter upgrades\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProbe holders for aquarium controllers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSpacious equipment chambers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eModern red and black Reef Octopus styling\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDesigned for long-term reef aquarium performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch1\u003eChoose the Right Size\u003c\/h1\u003e\n\u003ch2\u003eOCTO 15A\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eRecommended Display Aquarium\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eUp to 65 Gallons\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSump Dimensions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e14.96\" L × 14.96\" W × 13.78\" H\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFreshwater ATO Reservoir\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e1.5 Gallons\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePerfect For\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eNano reefs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCube aquariums\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSmall mixed reefs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompact cabinet installations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eRecommended Return Pump\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eReef Octopus VarioS-2 Controllable DC Return Pump\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eOCTO 24A\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eRecommended Display Aquarium\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e65–100 Gallons\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSump Dimensions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e23.62\" L × 14.17\" W × 15.75\" H\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFreshwater ATO Reservoir\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e3 Gallons\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePerfect For\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eMedium reef aquariums\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMixed reefs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLPS systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFish-only marine aquariums\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eRecommended Return Pump\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eReef Octopus VarioS-2 or VarioS-4 Controllable DC Return Pump\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eOCTO 30A\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eRecommended Display Aquarium\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e100–150 Gallons\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSump Dimensions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e29.92\" L × 15.75\" W × 15.75\" H\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFreshwater ATO Reservoir\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e4.7 Gallons\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePerfect For\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eLarger mixed reefs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSPS systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHeavy filtration setups\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eRecommended Return Pump\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eReef Octopus VarioS-4 Controllable DC Return Pump\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eOCTO 36A\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eRecommended Display Aquarium\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e150–220+ Gallons\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSump Dimensions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e35.83\" L × 18.11\" W × 15.75\" H\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFreshwater ATO Reservoir\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e6.6 Gallons\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePerfect For\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eLarge reef aquariums\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSPS-dominated systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAdvanced filtration systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFuture equipment expansion\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eRecommended Return Pump\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eReef Octopus VarioS-4 or VarioS-6 Controllable DC Return Pump\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch1\u003eWhy Add a Sump?\u003c\/h1\u003e\n\u003cp\u003eA sump is one of the best investments you can make for a saltwater aquarium. Instead of placing equipment inside your display tank, a sump moves your filtration below the aquarium, creating a cleaner appearance while improving water quality and increasing total system volume.\u003c\/p\u003e\n\u003ch2\u003eBenefits of a Reef Sump\u003c\/h2\u003e\n\u003cp style=\"padding-left: 40px;\"\u003eIncreases total water volume for greater stability\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003eKeeps heaters, probes, skimmers, and pumps out of the display\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003eImproves oxygen exchange\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003eReduces equipment clutter\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003eMakes maintenance easier\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003eProvides room for future upgrades\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003eHelps create a cleaner, more professional-looking aquarium\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003eWhether you're keeping fish, corals, or a mixed reef, a sump makes maintaining stable water conditions easier.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch1\u003eDesigned for Today's Reef Equipment\u003c\/h1\u003e\n\u003cp\u003eEvery OCTO Reef Sump is engineered to accommodate today's most popular aquarium equipment, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eProtein Skimmers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eControllable DC Return Pumps\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAquarium Heaters\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMedia Reactors\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAquarium Controllers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003epH, Salinity, ORP and Temperature Probes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAuto Top-Off Systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFilter Socks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eKlir Roller Filter Upgrades\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRefugiums (model dependent)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch1\u003ePair It with a Reef Octopus VarioS Return Pump\u003c\/h1\u003e\n\u003cp\u003eComplete your filtration system with a \u003cstrong\u003eReef Octopus VarioS Controllable DC Return Pump\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eVarioS pumps provide:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eFully controllable flow adjustment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQuiet DC operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEnergy-efficient performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFeed mode for maintenance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSoft-start technology\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReliable long-term operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePerfect compatibility with OCTO Reef Sumps\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTogether, the OCTO Reef Sump and VarioS Return Pump create a powerful and efficient filtration system for virtually any reef aquarium.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch1\u003eWhy Choose Reef Octopus?\u003c\/h1\u003e\n\u003cp\u003eFor years, Reef Octopus has been trusted by reef hobbyists around the world for producing reliable, innovative, and high-performance aquarium filtration equipment. Every OCTO Reef Sump is designed to maximize filtration efficiency while making routine maintenance easier and keeping your aquarium cabinet clean and organized.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch1\u003eWhy Buy From Infinity and Beyond Aquatics?\u003c\/h1\u003e\n\u003cp\u003eWhen you shop with us, you're supporting a fellow aquarium hobbyist who understands what it takes to build and maintain a thriving aquatic ecosystem.\u003c\/p\u003e\n\u003cp\u003eWe provide:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eAuthorized dealer products\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompetitive everyday pricing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eResponsive customer support\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExpert guidance before and after your purchase\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCarefully packaged orders\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePassionate service from hobbyists who genuinely love the aquarium community\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhether you're building your first reef aquarium or your dream display, we're here to help every step of the way.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch1\u003eShipping Disclosure\u003c\/h1\u003e\n\u003cp\u003eThis item ships using our \u003cstrong\u003eMedium Shipping\u003c\/strong\u003e service and may ship directly from one of our trusted authorized distributor partners to reduce transit time and help ensure safe delivery. Regardless of where your order ships from, you'll receive the same dedicated customer service and support from Infinity and Beyond Aquatics from purchase through delivery.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003eInvest in the heart of your filtration system with the \u003cstrong\u003eReef Octopus OCTO Reef Sump\u003c\/strong\u003e and enjoy premium craftsmanship, exceptional organization, and dependable performance for years to come.\u003c\/p\u003e","brand":"coral vue","offers":[{"title":"OCTO 15A","offer_id":53040734830901,"sku":"OCT-OS15A","price":379.99,"currency_code":"USD","in_stock":true},{"title":"OCTO 24A","offer_id":53040734863669,"sku":"24A Reef Sump","price":509.99,"currency_code":"USD","in_stock":true},{"title":"OCTO 30A","offer_id":53040734896437,"sku":"OCT-OS30A","price":699.99,"currency_code":"USD","in_stock":true},{"title":"OCTO 36A","offer_id":53040734929205,"sku":"OCT-OS36A","price":849.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0964\/2252\/7285\/files\/reefocto15.jpg?v=1782514618","url":"https:\/\/infinityandbeyondaquatics.com\/products\/reef-octopus-octo-reef-sump-system-premium-acrylic-reef-sumps-with-built-in-ato-reservoir","provider":"Infinity and Beyond Aquatics ","version":"1.0","type":"link"}