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| WLP590 French Saison Ale || || 73-80 || Med || 69-75 || Unique yeast strain producing farmhouse-style beers with a phenolic “bite” and moderate ester compounds. Producing a cleaner aroma profile than other farmhouse styles, this yeast is versatile and highly attenuating. Seasonal Availability: May - Jun.
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| WLP644 Saccharomyces "Bruxellensis" Trois || || 85%+ || Low || 70-85 || Medium-High alcohol tolerance. This Belgian strain produces a slightly tart beer with delicate characteristics of mango and pineapple. Can also be used to produce effervescence when bottle-conditioning. Formally named Brettanomyces bruxellensis Trois, it was re-classified to be ''Saccharomyces'', and probably ''S. cerevisaecerevisiae'' <ref>[https://www.facebook.com/groups/MilkTheFunk/permalink/1100249870003226/ Archive of MTF discussions regarding Trois genetic analysis results.]</ref>. White Labs classifies this as a "wild Saccharomyces" <ref>[http://www.whitelabs.com/sites/default/files/644_Explanation.pdf White Labs 644 Explanation. 04/09/2015. Retrieved 5/2/2015.]</ref>. Trois cannot ferment lactose <ref>[https://www.facebook.com/groups/MilkTheFunk/permalink/1162272423800970/?comment_id=1162339237127622&offset=0&total_comments=8&comment_tracking=%7B%22tn%22%3A%22R1%22%7D Lance Shaner's results of fermenting Trois with lactose on MTF. 10/12/2015.]</ref>. It, also, does not produce significant amounts of acetic or lactic acid, even under aerobic conditions <ref>[https://www.facebook.com/groups/MilkTheFunk/permalink/1215686268459585/?comment_id=1215815188446693&reply_comment_id=1215856578442554&comment_tracking=%7B%22tn%22%3A%22R6%22%7D Conversation with Lance Shaner of Omega Labs on MTF. 01/17/2016.]</ref>. Therefore if acid (lactic or acetic) is found in a Trois beer, contamination would be the cause. <s>Approx. 500 million cells per mL; homebrew vials are approx. 17.5 billion cells at 35 mL <ref name="reddit_brett">[https://www.reddit.com/r/Homebrewing/comments/47qbgb/wlp644_cell_count_and_shelf_life/ Homebrewing Reddit post. 02/26/2016.]</ref>.</s> PurePitch packages now contain the same pitching rate as other ''S. cerevisiae'' White Labs strains(1.5 billion to 3.0 billion cells per one mL). One example from their "Yeastman" database for lot # 1035203 (02/19/2017) shows 2.3 billion cells for 40 per 1 mL (homebrew size) <ref>[https://www.facebook.com/groups/MilkTheFunk/permalink/1670851126276428/?comment_id=1672129959481878&comment_tracking=%7B%22tn%22%3A%22R0%22%7D Paul Illa. Milk The Funk Facebook group. 05/01/2017.]</ref>.
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| WLP6788 Norwegian Farmhouse Ale || A ''kveik'' strain from a farm called Muri in Olden, Sogn og Fjordane, Norway (6788 is the zip code). It was used in traditional farmhouse brewing up until 1990, then left in dried form in a building on the farm. The son on the farm revived it with difficulty last year and has been using it in modern home brewing since <ref name="larsnor">[https://www.facebook.com/groups/MilkTheFunk/permalink/1075155775845969/?comment_id=1075310892497124&offset=0&total_comments=33&comment_tracking=%7B%22tn%22%3A%22R9%22%7D Conversation with Lars Garshol. 6/4/2015.]</ref>. || 80 || Medium || 98 (no one knows the optimal temperature currently) <ref name="larsnor"></ref> || Purchase from [http://www.bryggselv.no/ Bryggselv.no]. US customers send an email to post @ bryggselv.no. See [http://www.garshol.priv.no/blog/329.html source information on Lars Garshol's blog] for brewing notes. Species currently unknown, but most closely related to bayanus / pastorianus / uvarum / arboricolus <ref>[https://www.facebook.com/download/950176781672127/1845813_funits.pdf Accugenix Report from White Labs on WLP 6788. Posted by Eskild Alexander Bergan on Milk The Funk. 6/4/2015.]</ref>. See [[Kveik]] for more information.