{"product_id":"red-sea-100-micron-felt-fine-polish-filter-sock","title":"Red Sea 100 Micron Felt Fine Polish Filter Sock","description":"\u003cdiv class=\"sectionContent\"\u003e\n  \u003cp\u003eAchieve ultra-polished water clarity with the Red Sea 100 Micron Felt Fine Polish Filter Sock. Designed for mature aquariums with low particulate matter, this fine-mesh sock captures the smallest suspended particles that coarser socks miss. Ideal for Red Sea Reefer and MAX-S sumps, it also fits any standard 4\"\/10cm filter bag holder.\u003c\/p\u003e\n  \u003cp\u003eLooking for more filtration products? Browse our \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/filter-media-cartridges\" target=\"_blank\"\u003eFilter Media \u0026amp; Cartridges\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sectionTitle\"\u003eFeatures\u003c\/div\u003e\n\u003cdiv class=\"sectionContent\"\u003e\n  \u003cul\u003e\n    \u003cli\u003e100 micron fine felt media for polishing water in mature, low-waste aquariums\u003c\/li\u003e\n    \u003cli\u003eDesigned for Red Sea Reefer and MAX-S series sumps\u003c\/li\u003e\n    \u003cli\u003e10.5\"\/26cm length fits standard 4\"\/10cm filter bag holders\u003c\/li\u003e\n    \u003cli\u003eWashable and reusable — rinse in warm water and reuse multiple times\u003c\/li\u003e\n    \u003cli\u003eSuitable for both freshwater and saltwater aquariums\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sectionTitle\"\u003eSpecifications\u003c\/div\u003e\n\u003cdiv class=\"sectionContent\"\u003e\n  \u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003eRed Sea\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eProduct\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003e100 Micron Felt Fine Polish Filter Sock\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003e4\" x 10.5\" (10cm x 26cm)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eMicron Rating\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003e100 Micron\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eSuitable For\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003eFreshwater \u0026amp; Saltwater\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eCompatible Systems\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003eRed Sea Reefer \u0026amp; MAX-S Series\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eUPC\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003e730773421954\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003eNew\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sectionTitle\"\u003eFAQ\u003c\/div\u003e\n\u003cdiv class=\"sectionContent\"\u003e\n  \u003cp\u003e\u003cstrong\u003eWhen should I use a 100 micron sock instead of a 225 micron?\u003c\/strong\u003e\u003cbr\u003eUse the 100 micron sock on mature, established aquariums where particulate levels are already low and you want crystal-clear, polished water. For newer tanks or heavier bioloads, start with a 225 micron sock to avoid frequent clogging.\u003c\/p\u003e\n  \u003cp\u003e\u003cstrong\u003eHow often should I clean this filter sock?\u003c\/strong\u003e\u003cbr\u003eCheck it every 2–3 days. Because the finer mesh catches smaller particles, it will clog faster than a 225 micron sock. Rinse in warm water to restore flow.\u003c\/p\u003e\n  \u003cp\u003e\u003cstrong\u003eWill this fit non-Red Sea sumps?\u003c\/strong\u003e\u003cbr\u003eYes, it fits any sump with a standard 4\"\/10cm filter sock holder. Verify your holder dimensions before purchasing.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Red Sea","offers":[{"title":"Default Title","offer_id":48073925689563,"sku":"R42195","price":11.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5209\/3403\/files\/image_c416f7aa-7007-404c-90ac-f8d2434bc736.jpg?v=1766416011","url":"https:\/\/squeakysaquatics.com\/products\/red-sea-100-micron-felt-fine-polish-filter-sock","provider":"Squeaky's Aquatics","version":"1.0","type":"link"}