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The homebrew pitch is enough for two 5 gallon/19 liter batches, but the package is not vacuum-sealable. It is recommended to seal the original sachet without vacuum sealing, and then double bag it into a bvacuum-sealable package and store in the freezer. This will help prevent contamination (see reference for anecdotes of saving left-over open packages of this product) <ref>[https://www.facebook.com/groups/MilkTheFunk/permalink/3204419266252932/?comment_id=3205432392818286 Gianmaria Ricciardi, Lallemand Brewing sales representative. Milk The Funk thread on saving Lallemand Wild Brew opened packages. 01/14/2020</ref>.
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| Lallemand || WildBrew Helveticus || ''L. helveticus'' || Homofermentative || || Temp range: 38°C - 45°C (100°F - 113°F). Hop tolerance: In lab tests, growth was inhibited at 4ppm iso-alpha acid, but they recommend no hops during kettle souring. The pH range is 3.0-3.5 (within 36 hours). Dosage: 10g/hL <ref>[https://www.facebook.com/groups/MilkTheFunk/permalink/3016721145022746/?comment_id=3016866791674848&reply_comment_id=3017521094942751 Joan Montasell from Lallemand Brewing. Milk The Funk Facebook thread on Lallemand WildBrew Helveticus. 11/01/2019.]</ref>. [https://www.facebook.com/groups/MilkTheFunk/permalink/3016721145022746/ MTF thread on availability and personal experiences using it.]
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| [[Mainiacal Yeast]] || MYLP1 || ''L. plantarum'' || Facultatively heterofermentative || || Isolated from flowers at King Richards Faire in Massachusetts. It produces a clean lactic sour and prefers it a little cooler however does sour more quickly at its higher temps. Recommended fermentation temperature is 70-90°F <ref name="Amaral_Mainiacal">Private correspondence with Justin Amaral by Dan Pixley. 01/24/2018.]</ref>. '''Commercial pitches only'''.