AI-no-Yakata
Ceramic küpe, ~0.8m diameter, 1.3m deep
Sukumo, 13-14kg per küpe + sake + fusuma + kalk + potash
pH 10.5 (10-11 is the best range)
Temp 28 degrees
Küpe lasts ~3 months
Waza-no-Yakata
Stainless steel küpe, ~0.8m x 1.5m square, 1.3m deep
Sukumo, 50kg per küpe + sake + fusuma + kalk + potash
pH 11.5
Temp 20-25 degrees
Küpe lasts 3-6 months
Furusyo
Stainless steel küpe, ~0.8m x 1.2m square, 1.5m deep
Sukumo, 50kg (one sukumo bag) per küpe + flour + sugar(of some kind) + kalk + potash
pH 11.3
Temp 25 degrees
Küpe lasts 3-6 months
Dye result comparison
From Left: Furusyo, Waza-no-yakata, Ai-no-yakata
