{"product_id":"xport-no3-brick-high-porosity-denitrification-media-nitrate-control","title":"XPort NO3 Brick High-Porosity Denitrification Media - Nitrate Control","description":"\u003cp\u003eOur review of the XPort NO3 Brick finds it best suited for hobbyists and reef keepers who need a durable, high-capacity media to lower nitrate while maintaining stable pH in marine or hard freshwater systems. The bottom line: this ultra-porous ceramic brick with elemental sulfur and aragonite provides a large biological surface area that promotes denitrification and reduces dissolved organics, making it a practical choice for systems with persistent nitrate or phosphate issues where long-term pH buffering and steady performance matter.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximized nitrate reduction:\u003c\/strong\u003e Elemental sulfur within the porous structure accelerates anaerobic denitrification to help lower nitrate concentrations in marine and hard freshwater tanks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimal surface area:\u003c\/strong\u003e The brick offers an expansive internal surface for bacterial colonization, supporting more efficient biological filtration than compact media.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced water clarity:\u003c\/strong\u003e By reducing dissolved organics and phosphate, the media helps improve overall water clarity and reduces nuisance algae risk.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong-lasting durability:\u003c\/strong\u003e The ceramic aragonite-doped design resists breakdown and buffers pH to prevent acidic buildup that can impair filtration over time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmerican-made quality:\u003c\/strong\u003e Manufactured in the USA with consistent production standards for hobbyists who prefer domestically produced aquarium supplies.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis media is aimed at reef aquarists, marine fish keepers, and hobbyists maintaining hard freshwater or pond systems with a pH of 7.5 or higher who need ongoing nitrate control without frequent media changes. It is especially useful where biological denitrification is preferred over chemical dosing and where a stable pH is important for corals or sensitive livestock.\u003c\/p\u003e\n\u003cp\u003eThose running very small tanks with limited filter space, or aquarists who require a media that works in pH below 7.5, should consider alternate products. It is not a quick chemical nitrate remover for one-off spikes but a long-term filtration solution intended to integrate into a biological filtration strategy.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh porosity and sulfur doping promote effective nitrate reduction through anaerobic processes.\u003c\/li\u003e\n\u003cli\u003eLarge internal surface area supports robust bacterial colonization for sustained filtration.\u003c\/li\u003e\n\u003cli\u003eAragonite doping helps buffer pH, reducing the risk of acidification during use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRequires adequate filter volume and flow to be effective; not ideal for very small setups.\u003c\/li\u003e\n\u003cli\u003eTargeted to systems with pH 7.5 or higher, so suitability is limited for low-pH aquaria.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct\u003c\/td\u003e\n\u003ctd\u003eXPort NO3 Brick high-porosity media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary function\u003c\/td\u003e\n\u003ctd\u003eDenitrification and reduction of phosphate and dissolved organics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuitable systems\u003c\/td\u003e\n\u003ctd\u003eMarine, reef, hard freshwater, pond (pH 7.5+)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKey materials\u003c\/td\u003e\n\u003ctd\u003eUltra-porous ceramic doped with elemental sulfur and aragonite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSurface area\u003c\/td\u003e\n\u003ctd\u003eOver 100,000 sq. ft. per brick\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eMade in USA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe XPort NO3 Brick is a solid choice for aquarists seeking a long-term, biologically driven method to lower nitrates while protecting pH. Its high internal surface area and sulfur-enhanced composition deliver sustained filtration performance, making it good value for medium to large systems that can accommodate the brick and meet the pH requirement.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan this media be used in a reef tank?\u003c\/strong\u003e\u003cbr\u003eYes; it is formulated for marine and reef systems provided the aquarium pH is at or above 7.5.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does it affect pH over time?\u003c\/strong\u003e\u003cbr\u003eThe aragonite doping helps buffer pH and reduces the chance of acidic buildup that can occur with other sulfur-based media.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill it remove phosphate as well as nitrate?\u003c\/strong\u003e\u003cbr\u003eWhile its primary role is denitrification, users report reductions in dissolved organics and phosphate as part of improved water clarity.\u003c\/p\u003e","brand":"Brightwell Aquatics","offers":[{"title":"Default Title","offer_id":48166352191707,"sku":"B01MCWALSM","price":54.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81ToIYSCWGL._AC_SL1500.jpg?v=1769176934","url":"https:\/\/gearmusthave.com\/products\/xport-no3-brick-high-porosity-denitrification-media-nitrate-control","provider":"GearMustHave","version":"1.0","type":"link"}