{"product_id":"seachem-the-bag-filter-media-bag","title":"Seachem The Bag – 180-Micron Reusable Filter Media Bag","description":"\u003cp\u003eSeachem The Bag is a durable, reusable aquarium filter media bag designed to securely contain loose chemical, resin, mechanical, and biological filtration media. Its superfine 180-micron polyethylene mesh helps prevent even small resin beads from escaping while allowing aquarium water to flow through the media.\u003c\/p\u003e\n\u003cp\u003eUnlike conventional media bags with stitched seams, The Bag is manufactured with a strong welded, non-stitched seam. This construction resists deterioration from bleach, acids, caustics, and other chemicals commonly encountered when regenerating specialty aquarium media.\u003c\/p\u003e\n\u003cp\u003eThe Bag measures approximately 5 × 9.5 inches and can securely hold about 500 mL of filtration media. Its compact size makes it suitable for canister filters, hang-on-back filters, sumps, internal filter chambers, box filters, and other filtration systems with adequate media space.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperfine 180-Micron Mesh:\u003c\/strong\u003e Helps contain fine resin media and small filtration particles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWelded Non-Stitched Seams:\u003c\/strong\u003e Resists the degradation that can affect traditional stitched media bags\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReusable Locking Closure:\u003c\/strong\u003e Includes a resealable plastic locking tie for secure installation and convenient reopening\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemical-Resistant Construction:\u003c\/strong\u003e Resistant to bleach, acids, and caustic regeneration solutions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBroad Media Compatibility:\u003c\/strong\u003e Compatible with Seachem’s complete filtration-media line\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximately 500 mL Capacity:\u003c\/strong\u003e Holds a useful amount of chemical, resin, or biological media\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFreshwater \u0026amp; Marine Use:\u003c\/strong\u003e Suitable for freshwater, planted, saltwater, and reef aquariums\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong-Lasting Polyethylene Material:\u003c\/strong\u003e Designed for repeated filtration and regeneration cycles\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Seachem\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct:\u003c\/strong\u003e The Bag\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Reusable aquarium filter media bag\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e Approximately 5 × 9.5 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetric Dimensions:\u003c\/strong\u003e Approximately 13 × 25.5 cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMesh Size:\u003c\/strong\u003e 180 microns\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMesh Classification:\u003c\/strong\u003e Superfine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Polyethylene\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeam Type:\u003c\/strong\u003e Welded\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClosure:\u003c\/strong\u003e Resealable plastic locking tie\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia Capacity:\u003c\/strong\u003e Approximately 500 mL\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAquarium Type:\u003c\/strong\u003e Freshwater and saltwater aquariums\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBest Used For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSeachem Purigen\u003c\/li\u003e\n\u003cli\u003eSeachem CupriSorb\u003c\/li\u003e\n\u003cli\u003eSeachem PhosGuard\u003c\/li\u003e\n\u003cli\u003eSeachem PhosBond\u003c\/li\u003e\n\u003cli\u003eSeachem MatrixCarbon\u003c\/li\u003e\n\u003cli\u003eSeachem SeaGel\u003c\/li\u003e\n\u003cli\u003eSeachem Renew\u003c\/li\u003e\n\u003cli\u003eSeachem Zeolite\u003c\/li\u003e\n\u003cli\u003eActivated carbon\u003c\/li\u003e\n\u003cli\u003ePhosphate-removing media\u003c\/li\u003e\n\u003cli\u003eFine resin filtration media\u003c\/li\u003e\n\u003cli\u003eCompatible biological filter media\u003c\/li\u003e\n\u003cli\u003eCustom aquarium media combinations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Filter Types\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eExternal canister filters\u003c\/li\u003e\n\u003cli\u003eHang-on-back filters with suitable media chambers\u003c\/li\u003e\n\u003cli\u003eSaltwater sumps\u003c\/li\u003e\n\u003cli\u003eInternal aquarium filters\u003c\/li\u003e\n\u003cli\u003eBox filters\u003c\/li\u003e\n\u003cli\u003eTrickle filters\u003c\/li\u003e\n\u003cli\u003eCustom filtration chambers\u003c\/li\u003e\n\u003cli\u003eHigh-flow media compartments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDirections for Use\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eOpen the resealable locking closure.\u003c\/li\u003e\n\u003cli\u003ePlace the desired aquarium filtration media inside the bag.\u003c\/li\u003e\n\u003cli\u003eDo not pack the media tightly or fill the bag completely.\u003c\/li\u003e\n\u003cli\u003eLeave enough room for the media to sit loosely and for water to circulate around it.\u003c\/li\u003e\n\u003cli\u003eSecure the bag using the supplied locking closure.\u003c\/li\u003e\n\u003cli\u003eRinse the filled bag according to the directions for the selected filtration media.\u003c\/li\u003e\n\u003cli\u003ePlace the bag inside the filter where water will flow directly through it.\u003c\/li\u003e\n\u003cli\u003eInspect the bag and media during routine filter maintenance.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eDo Not Overfill\u003c\/h3\u003e\n\u003cp\u003eSeachem The Bag securely holds approximately 500 mL of filtration media, but it should not be stretched, overpacked, or filled until the material presses tightly against the welded seams.\u003c\/p\u003e\n\u003cp\u003eFilter media should remain somewhat loose inside the bag. This provides room for water to circulate around the media and reduces unnecessary pressure on the seam.\u003c\/p\u003e\n\u003cp\u003eOverfilling, pulling forcefully on the bag, or handling a tightly packed bag roughly may cause the welded seam to separate.\u003c\/p\u003e\n\u003ch3\u003eProper Filter Placement\u003c\/h3\u003e\n\u003cp\u003ePlace The Bag where aquarium water is forced directly through the media rather than flowing around it. Good contact between the aquarium water and the filtration media improves filtration efficiency.\u003c\/p\u003e\n\u003cp\u003eSuitable placement may include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBetween filter sponges in a canister basket\u003c\/li\u003e\n\u003cli\u003eInside a hang-on-back media chamber\u003c\/li\u003e\n\u003cli\u003eBetween sump baffles\u003c\/li\u003e\n\u003cli\u003eAfter mechanical filtration\u003c\/li\u003e\n\u003cli\u003eInside a high-flow internal filter chamber\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMechanical filtration should generally be positioned before fine chemical or resin media whenever possible. Foam, filter floss, or another mechanical stage can capture larger debris before it reaches The Bag and help extend the useful life of the enclosed media.\u003c\/p\u003e\n\u003ch3\u003eUsing The Bag with Purigen\u003c\/h3\u003e\n\u003cp\u003eThe Bag’s superfine 180-micron mesh makes it suitable for loose Seachem Purigen resin. Its welded polyethylene construction is also resistant to the bleach and dechlorination solutions used during Purigen regeneration.\u003c\/p\u003e\n\u003cp\u003eFollow Seachem’s complete Purigen regeneration directions carefully. The Bag’s chemical resistance does not eliminate the need for proper rinsing, dechlorination, protective equipment, or chlorine testing before the regenerated media is returned to the aquarium.\u003c\/p\u003e\n\u003ch3\u003eUsing The Bag with CupriSorb\u003c\/h3\u003e\n\u003cp\u003eSeachem CupriSorb may be placed inside The Bag for copper and heavy-metal removal. The fine mesh helps contain the media while allowing aquarium water to pass through it.\u003c\/p\u003e\n\u003cp\u003eThe Bag’s resistance to acids makes it suitable for CupriSorb’s manufacturer-approved regeneration process. Follow the current CupriSorb directions exactly and rinse the bag and media thoroughly before reuse.\u003c\/p\u003e\n\u003ch3\u003eUsing The Bag with Activated Carbon\u003c\/h3\u003e\n\u003cp\u003eActivated carbon and MatrixCarbon may be placed inside The Bag for chemical filtration. Rinse carbon thoroughly before installation to remove loose carbon dust.\u003c\/p\u003e\n\u003cp\u003eDo not grind, crush, or tightly compress carbon inside the bag. Leave enough room for water to circulate through the granules.\u003c\/p\u003e\n\u003ch3\u003eUsing The Bag with Phosphate Media\u003c\/h3\u003e\n\u003cp\u003eThe Bag may be used with compatible phosphate- and silicate-removing media such as PhosGuard or PhosBond.\u003c\/p\u003e\n\u003cp\u003eRinse the selected media according to its label directions before use. Place the filled bag in a strong-flow area, but avoid arrangements that cause the media to tumble or grind excessively.\u003c\/p\u003e\n\u003ch3\u003eUsing The Bag for Biological Media\u003c\/h3\u003e\n\u003cp\u003eThe Bag is compatible with Seachem’s complete filtration-media line and may hold appropriately sized biological media when useful for the filter design.\u003c\/p\u003e\n\u003cp\u003eBiological media generally benefits from unrestricted water flow and may not require such a fine mesh. For larger media such as Matrix, a coarser Zip Bag may provide greater water movement and more capacity in some filters.\u003c\/p\u003e\n\u003cp\u003eChoose the bag according to the size of the media, the available filter space, and the desired water flow.\u003c\/p\u003e\n\u003ch3\u003eThe Bag vs. Seachem Zip Bag\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe Bag:\u003c\/strong\u003e Superfine 180-micron polyethylene mesh, welded seams, and a plastic locking closure\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZip Bag:\u003c\/strong\u003e Coarser PVC mesh, stitched seams, and a corrosion-resistant zipper\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Bag is the better choice for very fine resins such as loose Purigen and for media that may be regenerated using bleach, acid, or caustic solutions.\u003c\/p\u003e\n\u003cp\u003eSeachem Zip Bags are available in different mesh sizes and may be better suited to larger granular or biological media where maximum water flow is preferred.\u003c\/p\u003e\n\u003ch3\u003eCleaning and Reusing The Bag\u003c\/h3\u003e\n\u003cp\u003eThe Bag may be rinsed and reused when changing or cleaning filter media.\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eTurn off and unplug the aquarium filter.\u003c\/li\u003e\n\u003cli\u003eRemove the bag carefully to avoid spilling media.\u003c\/li\u003e\n\u003cli\u003eOpen the resealable locking closure.\u003c\/li\u003e\n\u003cli\u003eRemove or regenerate the media according to its product directions.\u003c\/li\u003e\n\u003cli\u003eRinse the empty bag thoroughly.\u003c\/li\u003e\n\u003cli\u003eInspect the mesh, closure, and welded seams.\u003c\/li\u003e\n\u003cli\u003eRefill only if the bag remains undamaged.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eDo not use soap, detergent, scented cleaners, or household chemicals unless they are specifically part of the approved regeneration procedure for the enclosed media.\u003c\/p\u003e\n\u003ch3\u003eChemical Resistance\u003c\/h3\u003e\n\u003cp\u003eThe Bag is resistant to bleach, acids, and caustics. This is particularly useful for regenerable filtration products that require exposure to stronger chemical solutions.\u003c\/p\u003e\n\u003cp\u003eChemical resistance does not make the bag indestructible. Inspect it after every regeneration cycle and discontinue use if the mesh, locking closure, or welded seams show signs of damage.\u003c\/p\u003e\n\u003ch3\u003eWater-Flow Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDo not overfill or tightly pack the media\u003c\/li\u003e\n\u003cli\u003eLeave space for the contents to move slightly\u003c\/li\u003e\n\u003cli\u003ePlace the bag where water must pass through it\u003c\/li\u003e\n\u003cli\u003eAvoid blocking filter intakes or impellers\u003c\/li\u003e\n\u003cli\u003eClean mechanical filtration before it becomes clogged\u003c\/li\u003e\n\u003cli\u003eInspect the bag if filter flow begins to decline\u003c\/li\u003e\n\u003cli\u003eUse multiple loosely filled bags instead of one overpacked bag when necessary\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eImportant Aquarium Care Note\u003c\/h3\u003e\n\u003cp\u003eSeachem The Bag is a media holder and does not filter aquarium water by itself. Its performance depends on the filtration media placed inside it and the amount of water flowing through the bag.\u003c\/p\u003e\n\u003cp\u003eChoose filtration media according to the aquarium’s actual needs. Chemical media does not replace biological filtration, mechanical cleaning, water changes, water testing, or proper aquarium maintenance.\u003c\/p\u003e\n\u003cp\u003eInspect The Bag regularly. Do not continue using it if the mesh, welded seams, or locking closure become damaged.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is Seachem The Bag used for?\u003c\/strong\u003e\u003cbr\u003eThe Bag holds loose aquarium filtration media while allowing water to flow through the media inside a filter.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat size is The Bag?\u003c\/strong\u003e\u003cbr\u003eIt measures approximately 5 × 9.5 inches, or 13 × 25.5 cm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the mesh size?\u003c\/strong\u003e\u003cbr\u003eThe Bag uses a superfine 180-micron mesh.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat material is it made from?\u003c\/strong\u003e\u003cbr\u003eIt is made from polyethylene.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it have stitched seams?\u003c\/strong\u003e\u003cbr\u003eNo. The Bag uses welded, non-stitched seams.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes The Bag use a drawstring?\u003c\/strong\u003e\u003cbr\u003eNo. It uses a resealable plastic locking closure similar to a reusable locking tie.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow much media does The Bag hold?\u003c\/strong\u003e\u003cbr\u003eIt securely holds approximately 500 mL of filtration media.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan The Bag hold loose Purigen?\u003c\/strong\u003e\u003cbr\u003eYes. Its 180-micron mesh is fine enough for Purigen and other small resin media.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs The Bag reusable?\u003c\/strong\u003e\u003cbr\u003eYes. It may be cleaned and reused as long as the mesh, closure, and welded seams remain undamaged.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it resistant to bleach?\u003c\/strong\u003e\u003cbr\u003eYes. It is resistant to bleach, acids, and caustic solutions commonly used during approved media-regeneration procedures.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be used in saltwater and reef aquariums?\u003c\/strong\u003e\u003cbr\u003eYes. The polyethylene bag and plastic closure are suitable for freshwater and marine filtration systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it hold activated carbon?\u003c\/strong\u003e\u003cbr\u003eYes. It may be used with activated carbon, MatrixCarbon, and other compatible chemical media.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it hold phosphate-removing media?\u003c\/strong\u003e\u003cbr\u003eYes. It is suitable for compatible products such as PhosGuard and PhosBond.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it hold biological media?\u003c\/strong\u003e\u003cbr\u003eYes, although a coarser bag may provide better flow for larger biological media such as Matrix.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy should The Bag not be overfilled?\u003c\/strong\u003e\u003cbr\u003eOverfilling restricts water flow and places excessive pressure on the welded seams, which may cause them to separate.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhere should The Bag be placed?\u003c\/strong\u003e\u003cbr\u003ePlace it inside the filter where water is forced directly through the bag and enclosed media.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between The Bag and a Seachem Zip Bag?\u003c\/strong\u003e\u003cbr\u003eThe Bag has finer 180-micron polyethylene mesh and welded seams. Zip Bags have coarser PVC mesh, stitched seams, and zipper closures.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes The Bag include filtration media?\u003c\/strong\u003e\u003cbr\u003eNo. Filtration media is normally selected and purchased separately unless the retailer’s package specifically states otherwise.\u003c\/p\u003e\n\u003ch3\u003eAvailable at Tropical Treasures Wyo\u003c\/h3\u003e\n\u003cp\u003eSeachem The Bag provides superfine 180-micron mesh, welded seams, and a reusable locking closure for securely holding Purigen, CupriSorb, activated carbon, phosphate removers, resins, and other aquarium filter media.\u003c\/p\u003e\n\u003cp\u003eVisit Tropical Treasures Wyo in Cheyenne, Wyoming, to shop Seachem filter media, Purigen, MatrixCarbon, PhosGuard, PhosBond, CupriSorb, canister filters, hang-on-back filters, and aquarium filtration accessories.\u003c\/p\u003e","brand":"Tropical Treasures Wyo LLC","offers":[{"title":"Default Title","offer_id":53469493362901,"sku":null,"price":10.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/4545\/8133\/files\/SC31000-2T.png?v=1784997850","url":"https:\/\/tropicaltreasureswyo.com\/products\/seachem-the-bag-filter-media-bag","provider":"Tropical Treasures Wyo LLC","version":"1.0","type":"link"}