{"title":"Pond, Pondless \u0026 Koi Pond Filtration","description":"\u003ch2 style=\"text-align: center;\"\u003eCleaner Water. Healthier Ponds. More Enjoyment.\u003c\/h2\u003e\n\u003cp align=\"justify\"\u003eRussell filtration systems are designed to polish water after larger debris has been removed by a pond skimmer or pre-filter. From \u003cstrong\u003eHydro Vortex™ biological waterfall filters\u003c\/strong\u003e to \u003cstrong\u003eHydroBead Vortex™ koi pond filters\u003c\/strong\u003e, our easy-to-clean filtration systems remove fine particles and provide biological filtration for cleaner, clearer, healthier water.\u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1719\/2613\/files\/Hydro_Vortex_200.png?v=1789780967\" alt=\"Hydro Vortex™ Logo\" style=\"float: none;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1719\/2613\/files\/HBV.png?v=1789781013\" alt=\"HydroBead™ Vortex Logo\" style=\"float: none;\"\u003e\n\u003c\/div\u003e","products":[{"product_id":"small-waterfall-filter-ahi-hydro-vortex","title":"Small Waterfall Filter: Ahi Hydro Vortex™ with 16\" Waterfall","description":"\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1719\/2613\/files\/Hydro_Vortex_Logo_2026_350.png?v=1787771909\" alt=\"Hydro Vortex Made in the U.S.A. logo\" style=\"margin-top: 10px; margin-right: 10px; margin-bottom: 10px; float: left;\"\u003e\u003c\/div\u003e\n\u003ch4 align=\"center\"\u003eHighly Efficient, Easy to Clean\u003cbr\u003eSmall Biological Waterfall Filter\u003c\/h4\u003e\n\u003cdiv style=\"text-align: right;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1719\/2613\/files\/Small_Waterfalls.jpg?v=1787776679\" alt=\"Ahi Hydro Vortex filter creates beautiful small waterfalls and clean water\" style=\"margin-top: 10px; margin-bottom: 10px; margin-left: 20px; float: right;\"\u003e\u003c\/div\u003e\n\u003ch5 align=\"justify\"\u003eFeatures: \u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: #cc0000;\"\u003e\u003cstrong\u003eProudly Made in USA\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eUS Patent No. 7,425,268 B2 and US Patent No. 7,731,841 B1\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eDimensions: 21¾\" tall x 19¾\"  wide x 19¼\" front to back\u003c\/li\u003e\n\u003cli\u003e16\" wide waterfall opening\u003c\/li\u003e\n\u003cli\u003eFiltration for up to 1,500 gallon ponds\u003c\/li\u003e\n\u003cli\u003eWaterfalls up to 3,000 GPH (50 GPM)\u003c\/li\u003e\n\u003cli\u003e1.85 cubic feet of Hydro FilterSilk™ bio media \u003cstrong\u003e No extra media required!\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e677 Total SSA (Specific Surface Area)\u003c\/li\u003e\n\u003cli\u003eMetabolizes up to 13,540 mg ammonia per 24 hours\u003c\/li\u003e\n\u003cli\u003eSupports up to 446.82 grams of fish weight in 1,500 gallons\u003c\/li\u003e\n\u003cli\u003eCan be used in multiples for unlimited pond filtering\u003c\/li\u003e\n\u003cli\u003eCan be used in multiples for unlimited waterfall widths and flow rates\u003c\/li\u003e\n\u003cli\u003eNo blower or air pump required for backwashing\u003c\/li\u003e\n\u003cli\u003eThick-walled heavy duty rotational molded HDPE construction\u003c\/li\u003e\n\u003cli\u003eOne 1½\" female threaded inlet\u003c\/li\u003e\n\u003cli\u003eOne 1½\" female threaded backwash drain outlet\u003c\/li\u003e\n\u003cli\u003eVortex Solids Separator\u003c\/li\u003e\n\u003cli\u003eSettling cone for debris capture\u003c\/li\u003e\n\u003cli\u003eBackwash drain at bottom of Settling Cone\u003c\/li\u003e\n\u003cli\u003eMedia chamber above Vortex and Settling Cone\u003c\/li\u003e\n\u003cli\u003eLower diffuser grate\u003c\/li\u003e\n\u003cli\u003eUpper diffuser grate\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEasy to install liner gasket flange with no hard-to-disguise plastic lip\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e316 Stainless Steel gasket flange hardware\u003c\/li\u003e\n\u003cli\u003e10′ of 1½\" heavy duty flex PVC drain pipe for clean out\u003c\/li\u003e\n\u003cli\u003e1½\" drain valve\u003c\/li\u003e\n\u003cli\u003eTwo 1½\" PVC male pipe adapters\u003c\/li\u003e\n\u003cli\u003eTube of fish safe 100% silicone sealant\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp align=\"justify\"\u003eHydro Vortex™ easy to clean waterfall filters feature an internal vortex for heavy solids removal, a bio filter stage for metabolizing dissolved organics, and Hydro FilterSilk™ media for superior water polishing. The Ahi Hydro Vortex™ waterfall filter lets you spend more time enjoying your pond or pondless waterfall and \u003cem\u003eless time cleaning it!\u003c\/em\u003e Patented design backwashes the bio media within the filter.  \u003c\/p\u003e\n\u003ch2 align=\"center\"\u003e\u003cstrong\u003eAhi Hydro Vortex™ Small Waterfall\u003cbr\u003eFilter Advantages\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1719\/2613\/files\/Hydro_Vortex_Waterfall_Diagram_500.jpg?v=1787777320\" alt=\"Diagram of how a Hydro Vortex waterfall filter functions and gets plumbed\" style=\"margin-top: 10px; margin-right: 30px; margin-bottom: 10px; float: left;\"\u003e\u003c\/div\u003e\n\u003cli\u003eCan be cleaned in as little as 2 minutes\u003c\/li\u003e\n\u003cli\u003eDisassembly \u003cem\u003eNOT\u003c\/em\u003e required for cleaning as with other waterfall filters\u003c\/li\u003e\n\u003cli\u003eRequires less installation time than other waterfall  filters\u003c\/li\u003e\n\u003cli\u003eInstalls with only a Phillips screw driver – no special tools required\u003c\/li\u003e\n\u003cli\u003eBecomes virtually invisible in the landscape\u003c\/li\u003e\n\u003cli\u003eLong lasting components\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e\u003cem\u003eBest in-class purchase value\u003c\/em\u003e\u003c\/strong\u003e\u003c\/span\u003e – Drain kit included and all bio media included – no additional media required\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #ff0000;\"\u003e\u003cem\u003e\u003cstrong\u003eLowest cost of ownership\u003c\/strong\u003e\u003c\/em\u003e\u003c\/span\u003e – does not require media replacement like waterfall filters that use filter pads\u003c\/li\u003e\n\u003cli\u003eUnique \u003ca href=\"https:\/\/russellwatergardens.com\/collections\/filter-media\/products\/hydro-filtersilk\" title=\"Hydro Filtersilk bio media for Hydro Vortex waterfall filters\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eHydro FilterSilk™\u003c\/a\u003e media polishes the water far superior to filter pads and other filter media\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cem\u003e\u003cstrong\u003eLets you spend more time enjoying your pond or pondless waterfall and less time cleaning it!\u003c\/strong\u003e\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 align=\"center\"\u003e\u003cem\u003eAn excellent waterfall filter for all types of ponds and pondless waterfalls\u003c\/em\u003e\u003c\/h2\u003e\n\u003ch4\u003e\u003ca href=\"https:\/\/russellwatergardens-com.myshopify.com\/pages\/compare-to-conventional-waterfall-filters\" title=\"compare\"\u003eCompare Hydro Vortex™ to Conventional Waterfall Filters\u003c\/a\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cbr\u003e\u003ca href=\"#\"\u003eTop of Page\u003c\/a\u003e\u003c\/p\u003e","brand":"Russell Professional Pond \u0026 Pondless Products","offers":[{"title":"Manual Backwash","offer_id":29748332425,"sku":"HV-AHI","price":699.99,"currency_code":"USD","in_stock":true},{"title":"HydroFlush™ Backwash System","offer_id":29748531913,"sku":"HV-AHI-HF","price":959.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1719\/2613\/files\/Ahi-Pair2026.png?v=1788052832"},{"product_id":"medium-waterfall-filter-marlin-hydro-vortex","title":"Medium Waterfall Filter: Marlin Hydro Vortex™ with 20\" Waterfall","description":"\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1719\/2613\/files\/Hydro_Vortex_Logo_2026_350.png?v=1787771909\" alt=\"Hydro Vortex filters Made in the U.S.A. logo\" style=\"margin-top: 10px; margin-right: 10px; margin-bottom: 10px; float: left;\"\u003e\u003c\/div\u003e\n\u003ch4 align=\"center\"\u003eHighly Efficient, Easy to Clean Medium Biological Waterfall Filter\u003c\/h4\u003e\n\u003cdiv style=\"text-align: right;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1719\/2613\/files\/Medium_Waterfalls.jpg?v=1787777100\" alt=\"Marlin Hydro Vortex biological waterfall filters create beautiful medium size waterfalls\" style=\"margin-top: 10px; margin-bottom: 10px; margin-left: 20px; float: right;\"\u003e\u003c\/div\u003e\n\u003ch5 align=\"justify\"\u003eFeatures:\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: #cc0000;\"\u003e\u003cstrong\u003eProudly Made in USA\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eUS Patent No. 7,425,268 B2 and US Patent No. 7,731,841 B1\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eDimensions: Dimensions: 29″ tall x 25\" wide x 24″ front to back\u003c\/li\u003e\n\u003cli\u003e20\" wide waterfall opening\u003c\/li\u003e\n\u003cli\u003eFiltration for up to 3,500 gallon ponds\u003c\/li\u003e\n\u003cli\u003eWaterfalls up to 5,900 GPH (98 GPM)\u003c\/li\u003e\n\u003cli\u003e3.70 cubic feet of Hydro FilterSilk™ bio media\u003c\/li\u003e\n\u003cli\u003e1,354 Total SSA (Specific Surface Area)\u003c\/li\u003e\n\u003cli\u003eMetabolizes up to 27,080 mg ammonia per 24 hours\u003c\/li\u003e\n\u003cli\u003eSupports up to 1,706 grams of fish weight in 3,000 gallons\u003c\/li\u003e\n\u003cli\u003eCan be used in multiples for unlimited pond filtering\u003c\/li\u003e\n\u003cli\u003eCan be used in multiples for unlimited waterfall widths and flow rates\u003c\/li\u003e\n\u003cli\u003eNo blower or air pump required for backwashing\u003c\/li\u003e\n\u003cli\u003eThick-walled heavy duty rotational molded HDPE construction\u003c\/li\u003e\n\u003cli\u003eTwo 2\" female threaded inlets\u003c\/li\u003e\n\u003cli\u003eOne 1½\" female threaded backwash drain outlet\u003c\/li\u003e\n\u003cli\u003eVortex Solids Separator\u003c\/li\u003e\n\u003cli\u003eSettling cone for debris capture\u003c\/li\u003e\n\u003cli\u003eBackwash drain at bottom of Settling Cone\u003c\/li\u003e\n\u003cli\u003eMedia chamber above Vortex \u0026amp; Settling Cone\u003c\/li\u003e\n\u003cli\u003eLower diffuser grate\u003c\/li\u003e\n\u003cli\u003eUpper diffuser grate\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEasy to install liner gasket flange with no hard-to-disguise plastic lip\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e316 Stainless Steel gasket flange hardware\u003c\/li\u003e\n\u003cli\u003e10′ of 1½\" heavy duty flex PVC drain pipe for clean out\u003c\/li\u003e\n\u003cli\u003e1½\" drain valve\u003c\/li\u003e\n\u003cli\u003eTwo 1½\" PVC male pipe adapters\u003c\/li\u003e\n\u003cli\u003eTube of fish safe 100% silicone sealant\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 align=\"center\"\u003e\u003cstrong\u003eMarlin Hydro Vortex™ Medium Waterfall Filter Advantages\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1719\/2613\/files\/Hydro_Vortex_Waterfall_Diagram_500.jpg?v=1787777320\" alt=\"Diagram of how a Hydro Vortex waterfall filter functions and gets plumbed\" style=\"margin-top: 10px; margin-right: 30px; margin-bottom: 10px; float: left;\"\u003e\u003c\/div\u003e\n\u003cli\u003eCan be cleaned in as little as 2 minutes\u003c\/li\u003e\n\u003cli\u003eDisassembly \u003cem\u003eNOT\u003c\/em\u003e required for cleaning as with other waterfall filters\u003c\/li\u003e\n\u003cli\u003eRequires less installation time than other waterfall filters\u003c\/li\u003e\n\u003cli\u003eInstalls with only a Phillips screwdriver – no special tools required\u003c\/li\u003e\n\u003cli\u003eBecomes virtually invisible in the landscape\u003c\/li\u003e\n\u003cli\u003eLong lasting components\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e\u003cem\u003eBest in-class purchase value\u003c\/em\u003e\u003c\/strong\u003e\u003c\/span\u003e – Drain kit included and all bio media included – no additional media required\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #ff0000;\"\u003e\u003cem\u003e\u003cstrong\u003eLowest cost of ownership\u003c\/strong\u003e\u003c\/em\u003e\u003c\/span\u003e – does not require media replacement like waterfall filters that use filter pads\u003c\/li\u003e\n\u003cli\u003eUnique Hydro FilterSilk™ media polishes the water far superior to filter pads and other filter media\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cem\u003e\u003cstrong\u003eLets you spend more time enjoying your pond or pondless waterfall and less time cleaning it!\u003c\/strong\u003e\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp align=\"justify\"\u003eHydro Vortex™ easy to clean waterfall filters feature an internal vortex for heavy solids removal, a bio filter stage for metabolizing dissolved organics, and Hydro FilterSilk\u003cspan\u003e™\u003c\/span\u003e media for superior water polishing. The Marlin Hydro Vortex™ waterfall filter lets you spend more time enjoying your pond or pondless waterfall and \u003cem\u003eless time cleaning it!\u003c\/em\u003ePatented design backwashes the bio media within the filter.\u003c\/p\u003e\n\u003ch3 align=\"center\"\u003e\u003cem\u003eAn excellent filter for all types of ponds and pondless waterfalls\u003c\/em\u003e\u003c\/h3\u003e\n\u003ch4\u003e\u003ca title=\"compare\" href=\"https:\/\/russellwatergardens-com.myshopify.com\/pages\/compare-to-conventional-waterfall-filters\"\u003eCompare Hydro Vortex™ to Conventional Waterfall Filters\u003c\/a\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cbr\u003e\u003ca href=\"#\"\u003eTop of Page\u003c\/a\u003e\u003c\/p\u003e","brand":"Russell Professional Pond \u0026 Pondless Products","offers":[{"title":"Manual Backwash","offer_id":29914361481,"sku":"HV-MARLIN","price":979.99,"currency_code":"USD","in_stock":true},{"title":"HydroFlush™","offer_id":29868110601,"sku":"MARLINHV","price":1239.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1719\/2613\/files\/Marlin_Hydro_Vortex_Pair_19069f57-c8e8-4ca2-935b-4adec11a6c7a.png?v=1788117283"},{"product_id":"large-waterfall-filter-dolphin-hydro-vortex","title":"Large Waterfall Filter - Dolphin Hydro Vortex™ with 25\" Waterfall","description":"\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1719\/2613\/files\/Hydro_Vortex_Logo_2026_350.png?v=1787771909\" alt=\"Hydro Vortex Made in the U.S.A. logo\" style=\"margin-top: 10px; margin-right: 10px; margin-bottom: 10px; float: left;\"\u003e\u003c\/div\u003e\n\u003ch4 align=\"center\"\u003eHighly Efficient, Easy to Clean \u003cbr\u003eLarge Waterfall Filter\u003c\/h4\u003e\n\u003cdiv style=\"text-align: right;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1719\/2613\/files\/Large_Waterfalls.jpg?v=1787778359\" alt=\"Dolphin Hydro Vortex waterfall filters create beautiful large waterfalls and clean water\" style=\"margin-top: 10px; margin-right: 10px; margin-bottom: 10px; float: right;\"\u003e\u003c\/div\u003e\n\u003ch5 align=\"justify\"\u003eFeatures: \u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: #cc0000;\"\u003e\u003cstrong\u003eProudly Made in USA\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eUS Patent No. 7,425,268 B2 and US Patent No. 7,731,841 B1\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eDimensions: Dimensions: \u003cspan\u003e32½” tall x 31″  wide x 30¼” front to back\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e25\" wide waterfall opening\u003c\/li\u003e\n\u003cli\u003eFiltration for up to 8,000 gallon ponds\u003c\/li\u003e\n\u003cli\u003eWaterfalls up to 8,100 gph (135 gpm)\u003c\/li\u003e\n\u003cli\u003e7.40 cubic feet of Hydro FilterSilk™ bio media\u003c\/li\u003e\n\u003cli\u003e2,708 Total SSA (Specific Surface Area)\u003c\/li\u003e\n\u003cli\u003eMetabolizes up to 54,160 mg ammonia per 24 hours\u003c\/li\u003e\n\u003cli\u003eSupports up to 2,275 grams of fish weight in 8,000 gallons\u003c\/li\u003e\n\u003cli\u003eCan be used in multiples for unlimited pond filtering\u003c\/li\u003e\n\u003cli\u003eCan be used in multiples for unlimited waterfall widths and flow rates\u003c\/li\u003e\n\u003cli\u003eNo blower or air pump required for backwashing\u003c\/li\u003e\n\u003cli\u003eThick-walled heavy duty rotational molded HDPE construction\u003c\/li\u003e\n\u003cli\u003eTwo 2\" female threaded inlets\u003c\/li\u003e\n\u003cli\u003eOne 1½\" female threaded backwash drain outlet\u003c\/li\u003e\n\u003cli\u003eVortex Solids Separator\u003c\/li\u003e\n\u003cli\u003eSettling cone for debris capture\u003c\/li\u003e\n\u003cli\u003eBackwash drain at bottom of Settling Cone\u003c\/li\u003e\n\u003cli\u003eMedia chamber above Vortex \u0026amp; Settling Cone\u003c\/li\u003e\n\u003cli\u003eLower diffuser grate\u003c\/li\u003e\n\u003cli\u003eUpper diffuser grate\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEasy to install liner gasket flange with no hard-to-disguise plastic lip\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e316 Stainless Steel gasket flange hardware\u003c\/li\u003e\n\u003cli\u003e10′ of 1½\" heavy duty flex PVC drain pipe for clean out\u003c\/li\u003e\n\u003cli\u003e1½\" drain valve\u003c\/li\u003e\n\u003cli\u003eTwo 1½\" PVC male pipe adapters\u003c\/li\u003e\n\u003cli\u003eTube of fish safe 100% silicone sealant\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 align=\"center\"\u003e\u003cstrong\u003eDolphin Hydro Vortex™ Large Waterfall\u003cbr\u003eFilter Advantages:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1719\/2613\/files\/Hydro_Vortex_Waterfall_Diagram_500.jpg?v=1787777320\" alt=\"Hydro Vortex biological waterfall drawing of how it functions and gets plumbed\" style=\"margin-top: 10px; margin-right: 30px; margin-bottom: 10px; float: left;\"\u003e\u003c\/div\u003e\n\u003cli\u003eCan be cleaned in as little as 2 minutes\u003c\/li\u003e\n\u003cli\u003eDisassembly \u003cem\u003eNOT\u003c\/em\u003e required for cleaning as with other waterfall filters\u003c\/li\u003e\n\u003cli\u003eRequires less installation time than other waterfall  filters\u003c\/li\u003e\n\u003cli\u003eInstalls with only a Phillips screw driver – no special tools required\u003c\/li\u003e\n\u003cli\u003eBecomes virtually invisible in the landscape\u003c\/li\u003e\n\u003cli\u003eLong lasting components\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e\u003cem\u003eBest in-class purchase value\u003c\/em\u003e\u003c\/strong\u003e\u003c\/span\u003e – Drain kit included and all bio media included – no additional media required\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #ff0000;\"\u003e\u003cem\u003e\u003cstrong\u003eLowest cost of ownership\u003c\/strong\u003e\u003c\/em\u003e\u003c\/span\u003e – does not require media replacement like waterfall filters that use filter pads\u003c\/li\u003e\n\u003cli\u003eUnique Hydro FilterSilk™ media polishes the water far superior to filter pads and other filter media\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cem\u003e\u003cstrong\u003eLets you spend more time enjoying your pond or pondless waterfall and less time cleaning it!\u003c\/strong\u003e\u003c\/em\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 align=\"center\"\u003e\u003cem\u003eAn excellent filter for all types of ponds and pondless waterfalls\u003c\/em\u003e\u003c\/h3\u003e\n\u003cp align=\"justify\"\u003eHydro Vortex™ easy to clean waterfall filters feature an internal vortex for heavy solids removal, a bio filter stage for metabolizing dissolved organics, and Hydro FilterSilk™ media for superior water polishing. The Dolphin Hydro Vortex™ waterfall filter lets you spend more time enjoying your pond or pondless waterfall and \u003cem\u003eless time cleaning it!\u003c\/em\u003e Patented design backwashes the bio media within the filter.  \u003c\/p\u003e\n\u003ch4\u003e\u003ca title=\"compare\" href=\"https:\/\/russellwatergardens-com.myshopify.com\/pages\/compare-to-conventional-waterfall-filters\"\u003eCompare Hydro Vortex™ to Common Waterfall Filters\u003c\/a\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cbr\u003e\u003ca href=\"#\"\u003eTop of Page\u003c\/a\u003e\u003c\/p\u003e","brand":"Russell Professional Pond \u0026 Pondless Products","offers":[{"title":"Manual Backwash","offer_id":29914388617,"sku":"HV-DOLPHIN","price":1619.99,"currency_code":"USD","in_stock":true},{"title":"HydroFlush™ Backwash System","offer_id":29897673033,"sku":"HV-DOLPHIN-HF","price":1879.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1719\/2613\/files\/Dolphin_Pair_UP_Collection.jpg?v=1755636965"},{"product_id":"medium-koi-pond-filter","title":"Koi Pond Filter - HBV-21","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\/products\/Medium-koi-pond-filter.jpg?v=1663804092"},{"product_id":"large-koi-pond-filter","title":"Koi Pond Filter - HBV-28","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-28_500.png?v=1787873605\" alt=\"HBV-28 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: 28″ wide x 34″  tall\u003c\/li\u003e\n\u003cli\u003eFor ponds up to 10,000 gallons\u003c\/li\u003e\n\u003cli\u003eFlow rates up to 5,900 gph (98 gpm)\u003c\/li\u003e\n\u003cli\u003e2″ multi-port valve\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eNo air blower required for backwashing\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\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\nPressure gauge and air release valve\u003c\/li\u003e\n\u003cli\u003e2” internal vortex lateral\u003c\/li\u003e\n\u003cli\u003e2” internal vertical outlet lateral\u003c\/li\u003e\n\u003cli\u003eHeavy duty spun wound fiberglass tank\u003c\/li\u003e\n\u003cli\u003eUp-flow design with internal vortex\u003c\/li\u003e\n\u003cli\u003e2” 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\u003cli\u003eVertical outlet\/backwash lateral\u003c\/li\u003e\n\u003cli\u003eEfficient Backwash\u003c\/li\u003e\n\u003cli\u003e6.0 cubic feet of HydroBeads™ bio media\u003c\/li\u003e\n\u003cli\u003e5,308,416 beads (@ +\/- 934,550 beads per cubic foot)\u003c\/li\u003e\n\u003cli\u003e2,713.20 Total Specific Surface Area (SSA) bead filter media\u003c\/li\u003e\n\u003cli\u003eMetabolizes up to 54,264 mg ammonia per 24 hours\u003c\/li\u003e\n\u003cli\u003eSupports 13,566 grams of fish in 10,000 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-28\u003cbr\u003eLarge Koi Pond Filter\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e High Surface Area Bio Filter Reaction with \u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eSuperior Water Polishing in One Unit\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp align=\"justify\"\u003eThe HBV-28 HydroBead™ Vortex 28\" koi pond filter is a professional koi pond bead filter that combines high \u003ca href=\"https:\/\/russellwatergardens.com\/pages\/specific-surface-area-ssa\" title=\"What is SSA?\" target=\"_blank\"\u003eSSA\u003c\/a\u003e with superior water polishing for clean and healthy water for your koi and pond fish.\u003c\/p\u003e\n\u003cp align=\"justify\"\u003eThe HBV-28 large koi pond filter for koi features a vortex for heavy solids removal, a biofilter media stage for metabolizing dissolved organics, and superior water polishing. The unique highly buoyant bead filter design and biological filter media backwashes with less water than competing filters. \u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3 align=\"center\"\u003e\n\u003cstrong\u003eHigh Surface Area Bio Reaction 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":31459153673,"sku":"HBV-28","price":2399.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1719\/2613\/products\/Large-koi-pond-filter.jpg?v=1663876688"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1719\/2613\/collections\/Filtration_Background_Full.png?v=1789781624","url":"https:\/\/russellwatergardens.com\/collections\/pond-filtration.oembed","provider":"Russell Watergardens ","version":"1.0","type":"link"}