{"product_id":"white-labs-yeast-wlp004-irish-ale-purepitch-next-generation","title":"White Labs Yeast | WLP004 Irish Ale | PurePitch® Next Generation","description":"\u003cp data-start=\"33\" data-end=\"809\" class=\"PDq2pG_selectionAnchorContainer\"\u003eBrew authentic Irish stouts and malt-forward British ales with \u003cstrong data-start=\"96\" data-end=\"162\"\u003eWhite Labs WLP004 Irish Ale Yeast | PurePitch® Next Generation\u003c\/strong\u003e, a premium liquid yeast sourced from one of the world's oldest stout-producing breweries. Known for its clean, dry finish and ability to enhance roasted malt flavors, WLP004 is an excellent choice for creating balanced beers with rich coffee, chocolate, and caramel character. Each \u003cstrong data-start=\"445\" data-end=\"528\"\u003e70 mL PurePitch® Next Generation pouch contains approximately 150 billion cells\u003c\/strong\u003e, providing enough healthy yeast to ferment a standard \u003cstrong data-start=\"583\" data-end=\"601\"\u003e5-gallon batch\u003c\/strong\u003e without requiring a starter for most moderate-gravity beers. WLP004 is ideal for brewing \u003cstrong data-start=\"691\" data-end=\"771\"\u003eIrish Dry Stout, Porter, Brown Ale, Red Ale, English Bitter, and Scotch Ale.\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"811\" data-end=\"1264\"\u003eWLP004 promotes roasted malt expression while finishing clean and dry, allowing specialty malts to shine without excessive sweetness. Light fruity esters help round out the flavor profile, creating smooth, drinkable beers with balanced complexity. Its medium to high flocculation also produces excellent clarity, making it well suited for traditional British and Irish beer styles that benefit from a bright finish. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1266\" data-end=\"1691\"\u003eThis liquid ale yeast features \u003cstrong data-start=\"1297\" data-end=\"1328\"\u003emedium to high flocculation\u003c\/strong\u003e, \u003cstrong data-start=\"1330\" data-end=\"1352\"\u003e69–74% attenuation\u003c\/strong\u003e, \u003cstrong data-start=\"1354\" data-end=\"1378\"\u003eSTA1 negative status\u003c\/strong\u003e, and an \u003cstrong data-start=\"1387\" data-end=\"1421\"\u003ealcohol tolerance of 5–10% ABV\u003c\/strong\u003e. It performs best between \u003cstrong data-start=\"1448\" data-end=\"1469\"\u003e65–68°F (18–20°C)\u003c\/strong\u003e and is packaged in White Labs' \u003cstrong data-start=\"1501\" data-end=\"1531\"\u003ePurePitch® Next Generation\u003c\/strong\u003e pouch containing approximately \u003cstrong data-start=\"1563\" data-end=\"1584\"\u003e150 billion cells\u003c\/strong\u003e for reliable pitching rates and consistent fermentation performance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1693\" data-end=\"2164\"\u003eFor best results, store refrigerated between \u003cstrong data-start=\"1738\" data-end=\"1749\"\u003e33–38°F\u003c\/strong\u003e and do not freeze. Pitch into well-oxygenated wort and ferment within the recommended temperature range. One pouch is suitable for most standard-strength 5-gallon batches, while a yeast starter is recommended for higher-gravity beers or older yeast. Proper fermentation practices and healthy pitching rates will help maximize attenuation, clarity, and roasted malt expression. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2166\" data-end=\"2635\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eProduced to White Labs' professional fermentation standards, \u003cstrong data-start=\"2227\" data-end=\"2282\"\u003eWLP004 Irish Ale Yeast | PurePitch® Next Generation\u003c\/strong\u003e is trusted by homebrewers and commercial breweries for producing clean, malt-driven ales with exceptional balance. Its healthy cell count, dependable fermentation performance, and classic Irish character make it an outstanding choice for brewing traditional stouts, porters, and other flavorful British-style ales.\u003c\/p\u003e","brand":"Craft a Brew","offers":[{"title":"Yeast only - no ice pack","offer_id":48452916379874,"sku":"fmk1789770669851","price":10.19,"currency_code":"USD","in_stock":true},{"title":"Insulated mailer + 1 ice pack","offer_id":48452916412642,"sku":"kvh1789770669852","price":11.71,"currency_code":"USD","in_stock":true},{"title":"Bubble mailer + 2 ice packs","offer_id":48452916445410,"sku":"ofc1789770669853","price":12.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0815\/4497\/0466\/files\/white-labs-yeast-wlp004-irish-ale-purepitch-next-generation_1.png?v=1789770676","url":"https:\/\/tunicdrapeclad.shop\/products\/white-labs-yeast-wlp004-irish-ale-purepitch-next-generation","provider":"My Store","version":"1.0","type":"link"}