Buying guide

Advanced Fermenter Upgrades

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Once the basics feel routine, these projects open a new tier of fermentation. A tempeh incubator and koji spores unlock homemade miso, shoyu, and amazake, while natto supplies cover the boldest soybean ferment of all. On the drinks side, jun tea, water kefir, and a real ginger beer plant give your brewing rotation three fast, lively new cultures. Tempeh Incubators. Koji Starter Spores. Natto Making Supplies. Jun Tea Supplies. Water Kefir Kits. Ginger Beer Plants.