{"product_id":"biab-small-filter-bag-drawstring","title":"BIAB Small Filter Bag with Drawstring","description":"\u003ch2\u003eBIAB \/ Fruit Straining Filter Bag\u003c\/h2\u003e\n\u003cp\u003eThis small filter bag by Dark Rock Brewing is designed to fit containers up to 22?cm in diameter and 18?cm deep.\u003c\/p\u003e\n\u003cp\u003eIdeal for one-gallon batch brewing, fruit straining, or small?scale BIAB setups.\u003c\/p\u003e\n\u003cp\u003eThe drawstring closure makes it easy to secure around the container lip and lift the bag for draining and clean up.\u003c\/p\u003e\n\u003cp\u003eIt’s a reusable, food-grade mesh designed to hold mash grains or fruit pulp effectively.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eBag Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax container width:\u003c\/strong\u003e ~22?cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDepth:\u003c\/strong\u003e ~18?cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Food-grade, fine mesh (polyester or similar)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClosure:\u003c\/strong\u003e Drawstring with locking mechanism\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e BIAB, fruit straining, small-volume brews\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eUsage Tips\u003c\/h3\u003e\n\u003cp\u003eSecure the drawstring around the container lip so the bag doesn’t shift during sparging or stirring.\u003c\/p\u003e\n\u003cp\u003eAfter mashing or steeping, lift the bag and let it drip before squeezing gently to recover wort.\u003c\/p\u003e\n\u003cp\u003eRinse the bag immediately after use to avoid sugar or grain residue drying in; air dry fully before storage to prevent mould or odour retention.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eSuitable Brewing Scenarios\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1?gallon \/ 5?L BIAB batches\u003c\/strong\u003e: Perfect size for small homebrew setups\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFruit wine \/ fermenter straining\u003c\/strong\u003e: Capture pulp cleanly during transfers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmall extract or partial mash kits\u003c\/strong\u003e: Use as a filter for adjuncts or small-grain additions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrototype \/ recipe development\u003c\/strong\u003e: Use in test batches before scaling up\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eWhy Use This Bag?\u003c\/h3\u003e\n\u003cp\u003eCompared to regular grain bags or mesh filters, this size gives more control in small batches.\u003c\/p\u003e\n\u003cp\u003eThe drawstring allows for easier handling and drainage, reducing mess and grain loss.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eBrewer’s Tip\u003c\/h3\u003e\n\u003cp\u003eIf you’re doing manual lifts, route the drawstring over a hook or rod to guide the bag straight up and avoid stress on the seams.\u003c\/p\u003e\n\u003cp\u003eUse gentle squeezing—not twisting—to extract extra wort.\u003c\/p\u003e\n\u003cp\u003eFor cleaning, boil the empty bag (without yeast) in soda ash solution or PBW for sanitisation, then rinse thoroughly.\u003c\/p\u003e\n\u003cp\u003eIt will last many brew days if treated well.\u003c\/p\u003e","brand":"Harris Filters","offers":[{"title":"Default Title","offer_id":52626513756503,"sku":"193","price":4.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/5495\/5607\/files\/5953.jpg?v=1769255559","url":"https:\/\/www.home-brew-hopshop.co.uk\/products\/biab-small-filter-bag-drawstring","provider":"The Hop Shop","version":"1.0","type":"link"}