Hao Watanabe Hao focuses on buying advice translating complex topics into simple steps. Tests recommendations at home first. Blog: Fermentation & Homebrew · buying advice · budget solutions · fermentation basics 4 articles Fermenting Fava Beans Into Homemade Doubanjiang Chile Paste October 18, 2026 Grow a Vinegar Mother from Pear Cider for Perry Vinegar October 8, 2026 Why Homemade Natto Smells Like Ammonia (And When to Toss It) October 6, 2026 Sparkling Persimmon Tepache: A Wild-Fermented Autumn Drink September 23, 2026