{"product_id":"hydrobead-vortex-hbv-21-koi-pond-filter","title":"HydroBead Vortex™ HBV-21 Koi Pond Filter – Up to 5,000 Gallons","description":"\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1719\/2613\/files\/HydroBead_Vortex_2026_300_dpi_350.png?v=1787870178\" alt=\"\" style=\"margin-top: 10px; margin-right: 10px; margin-bottom: 10px; float: left;\"\u003e\u003c\/div\u003e\n\u003ch3 align=\"center\"\u003eHighly Efficient, Easy to Clean,\u003cbr\u003eNo Blower Required for Backwashing\u003c\/h3\u003e\n\u003cdiv style=\"text-align: right;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1719\/2613\/files\/HBV-21_500.png?v=1787871496\" alt=\"HBV-21 HydroBead™ Vortex Professional Koi Pond Filter\" style=\"margin-top: 10px; margin-bottom: 10px; margin-left: 10px; float: right;\"\u003e\u003c\/div\u003e\n\u003cp align=\"justify\"\u003e\u003cstrong\u003eFeatures: \u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eKoi Pond Filter Dimensions: 21″, wide x 28″  tall\u003c\/li\u003e\n\u003cli\u003eFor ponds up to 5,000 gallons\u003c\/li\u003e\n\u003cli\u003eFlow rates up to 3,500 gph (58 gpm)\u003c\/li\u003e\n\u003cli\u003e1½” multiport valve\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eNo air blower required for backwashing\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e2” internal vortex lateral for maximum internal water flow\u003c\/li\u003e\n\u003cli\u003e2” internal vertical outlet lateral for maximum internal water flow\u003c\/li\u003e\n\u003cli\u003eSpun Wound Fiberglass Tank\u003c\/li\u003e\n\u003cli\u003eUp-flow design with internal vortex\u003c\/li\u003e\n\u003cli\u003e1½” unions on inlet, return, and waste.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eFiltration down to 100 microns\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eBio absorption down to 5 microns\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eVortex solids separator\u003c\/li\u003e\n\u003cli\u003eSettling cone for debris capture\u003c\/li\u003e\n\u003cli\u003eVortex drain at bottom of settlement area\u003c\/li\u003e\n\u003cli\u003eHighly buoyant bio media suspended above vortex settling area\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1719\/2613\/files\/HydroBead_Vortex_2026_500.png?v=1787870074\" alt=\"HydroBead™ Vortex koi pond filter diagram\" style=\"margin-top: 10px; margin-right: 30px; margin-bottom: 10px; float: left;\"\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003eVertical outlet\/backwash lateral\u003c\/li\u003e\n\u003cli\u003eEfficient Backwash\u003c\/li\u003e\n\u003cli\u003e2 cubic feet of polypropylene HydroBeads™ bio media\u003c\/li\u003e\n\u003cli\u003e1,869,100 beads (@ +\/- 934,550 beads per cubic foot)\u003c\/li\u003e\n\u003cli\u003e\u003ca rel=\"noopener noreferrer\" title=\"What is SSA?\" href=\"https:\/\/russellwatergardens.com\/pages\/specific-surface-area-ssa\" target=\"_blank\"\u003e1,130.50 Total Specific Surface Area (SSA)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003eMetabolizes up to 22,610 mg ammonia per 24 hours\u003c\/li\u003e\n\u003cli\u003eSupports 5,653 grams of fish in 5,000 gallons of water\u003c\/li\u003e\n\u003cli\u003eStainless steel hardware\u003c\/li\u003e\n\u003cli\u003eRemovable access lid\u003c\/li\u003e\n\u003cli\u003eBackwash water viewing port\u003c\/li\u003e\n\u003cli\u003e¾” vortex drain valve with internal screen\u003c\/li\u003e\n\u003cli\u003eFor best performance, use with a \u003ca href=\"https:\/\/russellwatergardens-com.myshopify.com\/collections\/pond-skimmers\/products\/pond-sieve-hydrosieve\" title=\"HydroSieve\" target=\"_blank\"\u003eHydroSieve™ Pre-Filter\u003c\/a\u003e for the bottom drain and a \u003ca href=\"https:\/\/russellwatergardens.com\/collections\/pond-skimmers\" target=\"_blank\" title=\"Go to HydroClean pond skimmers and pre-filters collection\" rel=\"noopener\"\u003eHydroClean™ Pond Skimmer\u003c\/a\u003e for the pond's surface\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 align=\"center\"\u003e\n\u003cstrong\u003eHydroBead™ Vortex HBV-21 Koi Pond Filter Systems\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e High Surface Area Biofilter Reaction with \u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eSuperior Water Polishing in One Unit\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp align=\"justify\"\u003eThe HBV-21 HydroBead™ Vortex 21\" filter for koi ponds is a professional water polishing filter that combines high \u003ca href=\"https:\/\/russellwatergardens.com\/pages\/specific-surface-area-ssa\" title=\"What is SSA?\" target=\"_blank\"\u003eSSA\u003c\/a\u003e biofilter media with superior water polishing for clean and healthy water for your koi fish and other pond fish.\u003c\/p\u003e\n\u003cp align=\"justify\"\u003eThe HBV-21 koi fish pond filter features a vortex for heavy solids removal, a bio filter stage for metabolizing dissolved organics, and superior water polishing. The unique design and highly buoyant bio media backwashes with less water than competing filters. No air blower is required for backwashing.\u003c\/p\u003e\n\u003ch3 align=\"center\"\u003e\n\u003cstrong\u003eHigh Surface Area Bio Reaction Koi Pond Biofilter and \u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eSuperior Water Polishing in One Unit\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp align=\"center\"\u003e\u003cstrong\u003eLong After Price has been Forgotten, Value, Quality, and Piece of Mind are Not. \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003ca href=\"#\"\u003eTop of Page\u003c\/a\u003e\u003c\/p\u003e","brand":"Russell Professional Pond \u0026 Pondless Products","offers":[{"title":"Default Title","offer_id":31458778569,"sku":"HBV-21","price":1899.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1719\/2613\/files\/HBV-21_8aa6e510-8c24-4598-a74c-7f17b87b433a.png?v=1789938194","url":"https:\/\/russellwatergardens.com\/products\/hydrobead-vortex-hbv-21-koi-pond-filter","provider":"Russell Watergardens ","version":"1.0","type":"link"}