YF-999 – SourpriseLacto More info YF-998 – Sour, yes sour!Lacto More info YF-801 – Brett PidBrettanomyces bruxellensis More info YF-666 – YeastmanBarleywine style More info YF-601 – For the SAKE of brewingSaké yeast More info YF-504 – Horni N’dalNorwegian farmhouse style ale More info