{"product_id":"reef-octopus-octo-calreact-5000d-dual-chamber-calcium-reactor-for-large-reef-aquariums","title":"Reef Octopus OCTO CalReact 5000D Dual Chamber Calcium Reactor for Large Reef Aquariums","description":"\u003ch2 data-section-id=\"9kxda\" data-start=\"65\" data-end=\"140\" class=\"PDq2pG_selectionAnchorContainer\"\u003eMaintain Stable Calcium \u0026amp; Alkalinity for Large, Demanding Reef Aquariums\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp data-start=\"142\" data-end=\"322\"\u003eWhen your reef reaches the point where two-part dosing becomes expensive, time-consuming, or simply can't keep up with coral growth, it's time to upgrade to a true calcium reactor.\u003c\/p\u003e\n\u003cp data-start=\"324\" data-end=\"778\"\u003eThe \u003cstrong data-start=\"328\" data-end=\"364\"\u003eReef Octopus OCTO CalReact 5000D\u003c\/strong\u003e is engineered for serious reef keepers with large SPS-dominated systems that demand rock-solid calcium and alkalinity levels 24 hours a day. Featuring a \u003cstrong data-start=\"518\" data-end=\"554\"\u003edual-chamber reverse-flow design\u003c\/strong\u003e, a \u003cstrong data-start=\"558\" data-end=\"601\"\u003epowerful VarioS 6 DC recirculation pump\u003c\/strong\u003e, and premium cast acrylic construction, this reactor delivers efficient media dissolution while helping raise the pH of the reactor effluent before it returns to your aquarium.\u003c\/p\u003e\n\u003cp data-start=\"780\" data-end=\"892\"\u003eIf you're looking for long-term stability with less daily maintenance, this reactor is built to do exactly that.\u003c\/p\u003e\n\u003chr data-start=\"894\" data-end=\"897\"\u003e\n\u003ch2 data-section-id=\"jqbhni\" data-start=\"899\" data-end=\"928\"\u003eWhy Use a Calcium Reactor?\u003c\/h2\u003e\n\u003cp data-start=\"930\" data-end=\"1032\"\u003eAs stony corals, clams, coralline algae, and other calcifying organisms grow, they constantly consume:\u003c\/p\u003e\n\u003cul data-start=\"1034\" data-end=\"1085\"\u003e\n\u003cli data-section-id=\"73vpuc\" data-start=\"1034\" data-end=\"1043\"\u003eCalcium\u003c\/li\u003e\n\u003cli data-section-id=\"qw241s\" data-start=\"1044\" data-end=\"1056\"\u003eAlkalinity\u003c\/li\u003e\n\u003cli data-section-id=\"1l3fo3u\" data-start=\"1057\" data-end=\"1068\"\u003eMagnesium\u003c\/li\u003e\n\u003cli data-section-id=\"1qtzun8\" data-start=\"1069\" data-end=\"1085\"\u003eTrace elements\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1087\" data-end=\"1283\"\u003eInstead of manually dosing supplements every day, a calcium reactor dissolves natural aragonite media using controlled CO₂, returning these essential elements back into your aquarium continuously.\u003c\/p\u003e\n\u003ch3 data-section-id=\"n2y7d0\" data-start=\"1285\" data-end=\"1306\"\u003eBenefits include:\u003c\/h3\u003e\n\u003cp data-start=\"1308\" data-end=\"1504\"\u003e✔ Stable calcium levels\u003cbr data-start=\"1331\" data-end=\"1334\"\u003e✔ Stable alkalinity\u003cbr data-start=\"1353\" data-end=\"1356\"\u003e✔ Continuous trace element replenishment\u003cbr data-start=\"1396\" data-end=\"1399\"\u003e✔ Less daily maintenance\u003cbr data-start=\"1423\" data-end=\"1426\"\u003e✔ Lower long-term supplement costs\u003cbr data-start=\"1460\" data-end=\"1463\"\u003e✔ Excellent for heavily stocked SPS reefs\u003c\/p\u003e\n\u003chr data-start=\"1506\" data-end=\"1509\"\u003e\n\u003ch2 data-section-id=\"1uacq75\" data-start=\"1511\" data-end=\"1549\"\u003eWhy Choose the OCTO CalReact 5000D?\u003c\/h2\u003e\n\u003cp data-start=\"1551\" data-end=\"1638\"\u003eUnlike many standard reactors, the CalReact 5000D features a \u003cstrong data-start=\"1612\" data-end=\"1637\"\u003edual reaction chamber\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"1640\" data-end=\"1860\"\u003eThe first chamber performs the majority of the media dissolution, while the second chamber extracts additional calcium from remaining CO₂ and helps increase the pH of the outgoing effluent before it enters your aquarium.\u003c\/p\u003e\n\u003cp data-start=\"1862\" data-end=\"2016\"\u003eCombined with its \u003cstrong data-start=\"1880\" data-end=\"1903\"\u003ereverse-flow design\u003c\/strong\u003e, this increases efficiency, reduces wasted CO₂, and maximizes media usage. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"2018\" data-end=\"2021\"\u003e\n\u003ch2 data-section-id=\"1ji9vax\" data-start=\"2023\" data-end=\"2042\"\u003ePremium Features\u003c\/h2\u003e\n\u003cul data-start=\"2044\" data-end=\"2489\"\u003e\n\u003cli data-section-id=\"s2hk2w\" data-start=\"2044\" data-end=\"2079\"\u003eDual-chamber reverse-flow reactor\u003c\/li\u003e\n\u003cli data-section-id=\"3007h6\" data-start=\"2080\" data-end=\"2115\"\u003eHigh-efficiency CO₂ recirculation\u003c\/li\u003e\n\u003cli data-section-id=\"14swiwl\" data-start=\"2116\" data-end=\"2163\"\u003eVariable-speed VarioS 6 DC recirculation pump\u003c\/li\u003e\n\u003cli data-section-id=\"5o7adu\" data-start=\"2164\" data-end=\"2198\"\u003ePrecision effluent control valve\u003c\/li\u003e\n\u003cli data-section-id=\"sfnl1x\" data-start=\"2199\" data-end=\"2226\"\u003eIntegrated bubble counter\u003c\/li\u003e\n\u003cli data-section-id=\"s9amv5\" data-start=\"2227\" data-end=\"2277\"\u003eBuilt-in pH probe holder (probe sold separately)\u003c\/li\u003e\n\u003cli data-section-id=\"y6fe83\" data-start=\"2278\" data-end=\"2321\"\u003eHeavy-duty hand-cast acrylic construction\u003c\/li\u003e\n\u003cli data-section-id=\"1ci25co\" data-start=\"2322\" data-end=\"2346\"\u003eQuick-connect plumbing\u003c\/li\u003e\n\u003cli data-section-id=\"hbuykn\" data-start=\"2347\" data-end=\"2374\"\u003eEasy-access removable lid\u003c\/li\u003e\n\u003cli data-section-id=\"1erbpq0\" data-start=\"2375\" data-end=\"2408\"\u003eWet or dry installation capable\u003c\/li\u003e\n\u003cli data-section-id=\"or2c05\" data-start=\"2409\" data-end=\"2489\"\u003eDesigned for years of reliable operation \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2491\" data-end=\"2494\"\u003e\n\u003ch2 data-section-id=\"1cgu054\" data-start=\"2496\" data-end=\"2523\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cp data-start=\"2525\" data-end=\"2555\"\u003e\u003cstrong data-start=\"2525\" data-end=\"2535\"\u003eModel:\u003c\/strong\u003e OCTO CalReact 5000D\u003c\/p\u003e\n\u003cul data-start=\"2557\" data-end=\"3168\"\u003e\n\u003cli data-section-id=\"1v3uigh\" data-start=\"2557\" data-end=\"2621\"\u003eRecommended Aquarium Size: \u003cstrong data-start=\"2586\" data-end=\"2621\"\u003e423–608 gallons (1,600–2,300 L)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"bek4e0\" data-start=\"2622\" data-end=\"2650\"\u003eReactor Type: Dual Chamber\u003c\/li\u003e\n\u003cli data-section-id=\"1avmeow\" data-start=\"2651\" data-end=\"2678\"\u003eFlow Design: Reverse Flow\u003c\/li\u003e\n\u003cli data-section-id=\"da9tef\" data-start=\"2679\" data-end=\"2719\"\u003eMedia Capacity: \u003cstrong data-start=\"2697\" data-end=\"2719\"\u003e15.2 L (4 gallons)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1mki1ub\" data-start=\"2720\" data-end=\"2754\"\u003eReactor Diameter: \u003cstrong data-start=\"2740\" data-end=\"2754\"\u003e7.9 inches\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ruyp5e\" data-start=\"2755\" data-end=\"2790\"\u003eFootprint: \u003cstrong data-start=\"2768\" data-end=\"2790\"\u003e18.1 × 15.2 inches\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"10ikl28\" data-start=\"2791\" data-end=\"2816\"\u003eHeight: \u003cstrong data-start=\"2801\" data-end=\"2816\"\u003e22.9 inches\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"htelpd\" data-start=\"2817\" data-end=\"2848\"\u003eInlet\/Outlet Size: \u003cstrong data-start=\"2838\" data-end=\"2848\"\u003e¼ inch\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1cod26p\" data-start=\"2849\" data-end=\"2892\"\u003eSuggested Feed Pump Flow: \u003cstrong data-start=\"2877\" data-end=\"2892\"\u003e132–211 GPH\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"dugjr7\" data-start=\"2893\" data-end=\"2930\"\u003eRecirculation Pump: \u003cstrong data-start=\"2915\" data-end=\"2930\"\u003eVarioS 6 DC\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"4qhvwn\" data-start=\"2931\" data-end=\"2965\"\u003eMaximum Pump Flow: \u003cstrong data-start=\"2952\" data-end=\"2965\"\u003e1,720 GPH\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"4jfm60\" data-start=\"2966\" data-end=\"3000\"\u003eMaximum Head Height: \u003cstrong data-start=\"2989\" data-end=\"3000\"\u003e16 feet\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"54ajhz\" data-start=\"3001\" data-end=\"3027\"\u003ePump Power: \u003cstrong data-start=\"3015\" data-end=\"3027\"\u003e70 Watts\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"wdgs0q\" data-start=\"3028\" data-end=\"3054\"\u003eInstallation: Wet or Dry\u003c\/li\u003e\n\u003cli data-section-id=\"lvdshv\" data-start=\"3055\" data-end=\"3097\"\u003epH Probe: Not Included (holder provided)\u003c\/li\u003e\n\u003cli data-section-id=\"3al7kj\" data-start=\"3098\" data-end=\"3168\"\u003eReactor Media: Sold Separately \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3170\" data-end=\"3173\"\u003e\n\u003ch2 data-section-id=\"1vdrhtn\" data-start=\"3175\" data-end=\"3187\"\u003eIdeal For\u003c\/h2\u003e\n\u003cul data-start=\"3189\" data-end=\"3402\"\u003e\n\u003cli data-section-id=\"1jts7eo\" data-start=\"3189\" data-end=\"3219\"\u003eSPS-dominated reef aquariums\u003c\/li\u003e\n\u003cli data-section-id=\"9bnnc8\" data-start=\"3220\" data-end=\"3259\"\u003eMixed reefs with heavy calcium demand\u003c\/li\u003e\n\u003cli data-section-id=\"1osjsjd\" data-start=\"3260\" data-end=\"3297\"\u003eLarge reef systems over 400 gallons\u003c\/li\u003e\n\u003cli data-section-id=\"13dwv31\" data-start=\"3298\" data-end=\"3343\"\u003eReef keepers replacing daily dosing systems\u003c\/li\u003e\n\u003cli data-section-id=\"1y1ln1j\" data-start=\"3344\" data-end=\"3402\"\u003eAquarists looking for long-term stability and automation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3404\" data-end=\"3407\"\u003e\n\u003ch2 data-section-id=\"w3a6bn\" data-start=\"3409\" data-end=\"3427\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cul data-start=\"3429\" data-end=\"3606\"\u003e\n\u003cli data-section-id=\"7w0fkd\" data-start=\"3429\" data-end=\"3458\"\u003eOCTO CalReact 5000D Reactor\u003c\/li\u003e\n\u003cli data-section-id=\"iygoc1\" data-start=\"3459\" data-end=\"3477\"\u003eVarioS 6 DC Pump\u003c\/li\u003e\n\u003cli data-section-id=\"18ayk6a\" data-start=\"3478\" data-end=\"3494\"\u003eBubble Counter\u003c\/li\u003e\n\u003cli data-section-id=\"1it6e88\" data-start=\"3495\" data-end=\"3512\"\u003eCO₂ Check Valve\u003c\/li\u003e\n\u003cli data-section-id=\"uetq1w\" data-start=\"3513\" data-end=\"3537\"\u003eEffluent Control Valve\u003c\/li\u003e\n\u003cli data-section-id=\"poyut1\" data-start=\"3538\" data-end=\"3559\"\u003eInlet\/Outlet Valves\u003c\/li\u003e\n\u003cli data-section-id=\"uh5vmh\" data-start=\"3560\" data-end=\"3583\"\u003ePlumbing and Fittings\u003c\/li\u003e\n\u003cli data-section-id=\"co69ku\" data-start=\"3584\" data-end=\"3606\"\u003eO-rings and Hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3608\" data-end=\"3730\"\u003e\u003cem data-start=\"3608\" data-end=\"3692\"\u003eCO₂ system, pH controller, pH probe, reactor media, and feed pump sold separately.\u003c\/em\u003e\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"3732\" data-end=\"3735\"\u003e\n\u003ch2 data-section-id=\"1lu5ppb\" data-start=\"3737\" data-end=\"3782\"\u003eWhy Buy From Infinity and Beyond Aquatics?\u003c\/h2\u003e\n\u003cp data-start=\"3784\" data-end=\"3908\"\u003eWhen you order from us, you're buying from fellow hobbyists who understand what it takes to keep a successful reef aquarium.\u003c\/p\u003e\n\u003cp data-start=\"3910\" data-end=\"3958\"\u003e✅ Authorized products from trusted manufacturers\u003c\/p\u003e\n\u003cp data-start=\"3960\" data-end=\"3998\"\u003e✅ Carefully packaged for safe delivery\u003c\/p\u003e\n\u003cp data-start=\"4000\" data-end=\"4047\"\u003e✅ Free Shipping on qualifying orders over $100*\u003c\/p\u003e\n\u003cp data-start=\"4049\" data-end=\"4130\"\u003e✅ Friendly customer service from hobbyists who actually use the equipment we sell\u003c\/p\u003e\n\u003cp data-start=\"4132\" data-end=\"4253\"\u003eWhether you're building your dream SPS reef or upgrading an established system, we're here to help every step of the way.\u003c\/p\u003e\n\u003chr data-start=\"4255\" data-end=\"4258\"\u003e\n\u003ch2 data-section-id=\"1r7fckb\" data-start=\"4260\" data-end=\"4283\"\u003eShipping Information\u003c\/h2\u003e\n\u003cp data-start=\"78\" data-end=\"181\" class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cstrong data-start=\"81\" data-end=\"107\"\u003eFREE Shipping Included\u003c\/strong\u003e\u003cbr data-start=\"107\" data-end=\"110\"\u003eThis oversized item ships \u003cstrong data-start=\"136\" data-end=\"144\"\u003eFREE\u003c\/strong\u003e within the contiguous United States.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"4285\" data-end=\"4408\"\u003ePlease allow up to \u003cstrong data-start=\"4304\" data-end=\"4323\"\u003e3 business days\u003c\/strong\u003e for order processing before your order ships. Business days do not include weekends.\u003c\/p\u003e\n\u003cp data-start=\"4410\" data-end=\"4604\"\u003eShipping times and delivery speeds may vary depending on the warehouse location fulfilling your order and your delivery address. Orders containing multiple items may arrive in separate packages.\u003c\/p\u003e\n\u003cp data-start=\"4606\" data-end=\"4705\"\u003eOnce your order ships, tracking information will be sent to the email address provided at checkout.\u003c\/p\u003e\n\u003cp data-start=\"4707\" data-end=\"4768\"\u003eThank you for shopping with \u003cstrong data-start=\"4735\" data-end=\"4768\"\u003eInfinity and Beyond Aquatics!\u003c\/strong\u003e\u003c\/p\u003e","brand":"coral vue","offers":[{"title":"Default Title","offer_id":53128910799157,"sku":"OCT-CALR5000D","price":1259.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0964\/2252\/7285\/files\/reef_octopus_calreact-5000d.png?v=1784035754","url":"https:\/\/infinityandbeyondaquatics.com\/products\/reef-octopus-octo-calreact-5000d-dual-chamber-calcium-reactor-for-large-reef-aquariums","provider":"Infinity and Beyond Aquatics ","version":"1.0","type":"link"}