{"product_id":"mangrove-jacks-beer-yeast-belgian-ale-yeast-m41","title":"Mangrove Jacks M41 Belgian Ale Yeast 10g","description":"\u003cp\u003eM41 is a highly versatile Belgian ale yeast that produces the fruity, estery, spicy character found across the broad range of Belgian styles. Its flavour profile shifts noticeably with fermentation temperature — giving you direct control over the finished beer's character. Very high attenuation produces the dry finish essential to many Belgian styles.\u003c\/p\u003e \u003cp\u003e\u003cb\u003eBest Suited To\u003c\/b\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBelgian Golden Strong Ale, Belgian Pale Ale\u003c\/li\u003e \u003cli\u003eSaison, Farmhouse Ale, Dubbel\u003c\/li\u003e \u003cli\u003eBelgian Tripel (lighter character — for extreme attenuation, use M31)\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cb\u003eSpecs\u003c\/b\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e \u003cstrong\u003eFermentation temp:\u003c\/strong\u003e 18–28°C (character changes significantly across this range)\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eAttenuation:\u003c\/strong\u003e 80%+\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eFlocculation:\u003c\/strong\u003e Medium\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eAlcohol tolerance:\u003c\/strong\u003e Up to 12% ABV\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003ePitching rate:\u003c\/strong\u003e 1 sachet per 23L at standard gravity\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cb\u003eWhen to Choose M41\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003eChoose M41 over M47 Belgian Abbey when your recipe is a lighter Belgian style — pale, golden strong, saison. M47 specialises in darker, richer abbey character. M41 is the more versatile option across lighter Belgian styles.\u003c\/p\u003e \u003cp\u003eChoose M41 over T-58 when you want more fruit than spice. T-58 leads with phenolic, peppery character; M41 leads with fruity esters. For a saison or golden strong where fruit is the focus, M41 is the better fit.\u003c\/p\u003e \u003cp\u003e\u003cb\u003ePractical Notes\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003eTemperature is a deliberate flavour tool with M41. Pitch at 18°C and allow the temperature to rise naturally through active fermentation. At 18–20°C the profile is restrained and balanced. At 24–28°C the esters become pronounced and spice character intensifies. Holding at a fixed temperature throughout produces a flatter result than allowing a natural rise.\u003c\/p\u003e \u003cp\u003eFor high-gravity Belgian ales above 1.070, add yeast nutrient before pitching.\u003c\/p\u003e \u003cp\u003eKeep refrigerated. Once opened, reseal and use within 7 days.\u003c\/p\u003e \u003cp\u003e\u003cem\u003eReviewed by the AHB Brewing Team — June 2026.\u003c\/em\u003e\u003c\/p\u003e","brand":"Mangrove Jack's","offers":[{"title":"Default Title","offer_id":41994559684685,"sku":"25006","price":9.5,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0635\/8306\/0045\/files\/25006.jpg?v=1754053082","url":"https:\/\/www.australianhomebrewing.com.au\/products\/mangrove-jacks-beer-yeast-belgian-ale-yeast-m41","provider":"Australian Home Brewing","version":"1.0","type":"link"}