{"product_id":"eheim-substrat-pro-biological-aquarium-filter-media-1l-porous-sintered-glass","title":"Eheim Substrat Pro Biological Aquarium Filter Media, 1L Porous Sintered Glass","description":"\u003cp\u003e\u003cstrong\u003eEHEIM Substrat Pro is 1L of biological aquarium filter media designed to support bacterial colonization, with porous, pearl-shaped sintered glass for water flow and penetration.\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e1L quantity — a defined amount of media for your filter.\u003c\/li\u003e\n\u003cli\u003eArtificial sintered glass with a highly porous structure — creates a surface for bacterial colonization.\u003c\/li\u003e\n\u003cli\u003ePearl-shaped, open design — allows water to pass through the media.\u003c\/li\u003e\n\u003cli\u003eSurface area of 1800 sq ft per gallon — provides extensive media surface within its structure.\u003c\/li\u003e\n\u003cli\u003eFits EHEIM Classic, Ecco, Pro 3 and Pro 3e filters — made for use across these EHEIM filter ranges.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBiological filter media is for aquarium keepers who want a dedicated surface within their filter for bacterial colonization. Substrat Pro’s open structure is designed to let water penetrate the media, making it suitable for use in compatible EHEIM filters as part of an aquarium filtration setup.\u003c\/p\u003e\u003ch3\u003eHow does Substrat Pro support biological filtration?\u003c\/h3\u003e\u003cp\u003eIts porous, pearl-shaped sintered glass gives water access through the media and provides a surface for bacterial colonization. The shaped structure is designed to improve water throughflow, while the media’s stated surface area is 1800 sq ft per gallon. EHEIM also notes that its design provides longer intervals between required maintenance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOpen structure encourages water penetration through the media.\u003c\/li\u003e\n\u003cli\u003eThe pearl shape is designed to support throughflow.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhich EHEIM filters can use Substrat Pro?\u003c\/h3\u003e\u003cp\u003eEHEIM Substrat Pro is for use in EHEIM Classic, Ecco, Pro 3 and Pro 3e filters. Choose it for a setup using one of these filter ranges when you want biological media in the filter; the compatibility is specific to the EHEIM models named here.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible ranges: Classic and Ecco.\u003c\/li\u003e\n\u003cli\u003eAlso for Pro 3 and Pro 3e filters.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow do you rinse and replace the media?\u003c\/h3\u003e\u003cp\u003eLightly rinse Substrat Pro with aquarium water every 1 to 3 months, then replace it every 3 to 6 months. This care routine keeps the media reusable between replacements and gives aquarium keepers a clear maintenance schedule.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRinse lightly using aquarium water.\u003c\/li\u003e\n\u003cli\u003eRinse every 1 to 3 months; replace every 3 to 6 months.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSubstrat Pro suits aquarium keepers looking for biological filter media for a compatible EHEIM filter, with a porous glass structure intended to support water flow and bacterial colonization. Its defined 1L quantity and stated care intervals make it a practical choice for buyers planning routine filter maintenance.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which filters are compatible with EHEIM Substrat Pro?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: EHEIM Substrat Pro biological filter media is for EHEIM Classic, Ecco, Pro 3 and Pro 3e filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should EHEIM Substrat Pro be rinsed and replaced?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Lightly rinse EHEIM Substrat Pro biological filter media with aquarium water every 1 to 3 months and replace it every 3 to 6 months.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Eheim","offers":[{"title":"Default Title","offer_id":55667898876247,"sku":"B0002JEL0O","price":39.47,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1056\/4780\/0663\/files\/eheim-biological-filter-media-front-view.jpg?v=1793377637","url":"https:\/\/bathpetsupplies.co.uk\/products\/eheim-substrat-pro-biological-aquarium-filter-media-1l-porous-sintered-glass","provider":"BathPetSupplies","version":"1.0","type":"link"}