{"product_id":"hydro-filtersilk-biological-filter-media","title":"Hydro FilterSilk™ Biological Filter Media","description":"\u003ch3 dir=\"auto\" class=\"PDq2pG_selectionAnchorContainer\"\u003eHigh-Flow Biological Filtration + Fine Water Polishing\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eHydro FilterSilk™\u003c\/strong\u003e is a highly open biological filter media designed to provide both \u003cstrong\u003ebiological filtration and fine water polishing\u003c\/strong\u003e while remaining remarkably easy to clean.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eUnlike dense filter pads or bags of loose biological media, FilterSilk™ expands to fill the filtration chamber with a three-dimensional network of HDPE mesh. Its \u003cstrong\u003emore than 90% open structure\u003c\/strong\u003e allows water to move freely through the media while providing extensive surface area for beneficial bacteria.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eFine suspended particles can also become captured throughout the media, helping polish the water after larger debris has already been removed by a pond skimmer or pre-filter.\u003c\/p\u003e\n\u003cdiv style=\"text-align: right;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1719\/2613\/files\/FilterSilk_Hand_1000.png?v=1790288504\" alt=\"Hydro FilterSilk™ biological filter media stretched over a hand, showing its highly open HDPE mesh structure.\" style=\"margin-bottom: 20px; float: none;\"\u003e\u003c\/div\u003e\n\u003ch3 dir=\"auto\"\u003eDesigned to Stay in the Filter\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eHydro FilterSilk™ was developed specifically for \u003cstrong\u003eHydro Vortex™ backwashable waterfall filters\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eDuring routine backwashing, the FilterSilk™ \u003cstrong\u003estays inside the filter\u003c\/strong\u003e. Its highly open structure allows water and loosened material to move through the media and out the filter drain.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eNo filter pads to remove. No heavy media bags to lift. No routine media replacement.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eFilterSilk™ can also be used as biological media in many other types of pond filtration systems.\u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1719\/2613\/files\/FilterSilk_in_Hydro_Vortex_1000.jpg?v=1790288979\" alt=\"Hydro FilterSilk™ biological filter media installed inside a Hydro Vortex™ backwashable waterfall filter.\" style=\"margin-bottom: 20px; float: none;\"\u003e\u003c\/div\u003e\n\u003ch3 dir=\"auto\"\u003eHydro FilterSilk™ Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e1.83 cubic feet per package\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eHighly open \u003cstrong\u003eHDPE mesh construction\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMore than 90% open space\u003c\/strong\u003e for unrestricted water movement\u003c\/li\u003e\n\u003cli\u003eLarge surface area for beneficial bacteria\u003c\/li\u003e\n\u003cli\u003eProvides \u003cstrong\u003ebiological filtration and fine water polishing\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eRinses clean with low-pressure water\u003c\/li\u003e\n\u003cli\u003eDesigned for effective backwashing\u003c\/li\u003e\n\u003cli\u003eDoes not deteriorate like conventional filter pads\u003c\/li\u003e\n\u003cli\u003eSuitable for ponds and pondless waterfalls\u003c\/li\u003e\n\u003cli\u003eMade for Hydro Vortex™ waterfall filters and adaptable to many other biological filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1719\/2613\/files\/FilterSilk_Closeup_1000.jpg?v=1790289571\" alt=\"Close-up of Hydro FilterSilk™ highly open HDPE mesh biological filter media for pond filtration.\" style=\"margin-bottom: 20px; float: none;\"\u003e\u003c\/div\u003e\n\u003ch3 dir=\"auto\"\u003eOne Media. Two Jobs.\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eBiological Filtration\u003c\/strong\u003e\u003cbr\u003eProvides extensive surface area for beneficial bacteria that help process dissolved waste in recirculating water.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eFine Water Polishing\u003c\/strong\u003e\u003cbr\u003eCaptures smaller suspended particles that have already passed through the pond skimmer or pre-filter, helping produce cleaner, clearer water.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eInstall it once. Backwash it when needed.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1719\/2613\/files\/FilterSilk_2_Jobs_1000.png?v=1790290041\" alt=\"Hydro FilterSilk™ biological filter media showing beneficial bacteria growth and fine suspended particle capture as water flows through the open mesh.\" style=\"margin-bottom: 20px; float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e\u003ca href=\"#top\"\u003eBack to top of page\u003c\/a\u003e\u003c\/p\u003e","brand":"Russell Professional Pond \u0026 Pondless Products","offers":[{"title":"Default Title","offer_id":33230398985,"sku":"HV-FS","price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1719\/2613\/files\/Hydro_FilterSilk_Product_750.png?v=1790287835","url":"https:\/\/russellwatergardens.com\/products\/hydro-filtersilk-biological-filter-media","provider":"Russell Watergardens ","version":"1.0","type":"link"}