Water is frequently splashed around the chamber, where it evaporates and gives off oxygen that combines with nitrogen contained in the lacquer. This chemical reaction naturally causes the lacquer to dry.
將上過漆的器物放置蔭堂中，須經常在室中潑灑清水，利用空氣中水份蒸發時，自然散發出的氧氣，與漆液中所含氮氣結合，漆液便自然逐漸乾固。