Hario Iouzan Stone and Charcoal Set purifies, deodorize, and stabilize water PH level to 7.2-7.4. Releases healthy mineral content and makes water more enjoyable to drink. Always stay hydrated by enjoying the refreshing taste of mineral mountain water on a daily basis! Ideal to use it with the Hario Obsidian Pot (IOP-9SV).
Before using the stone, soak in water for about 30 minutes and rinse in cold water to remove any stone powders.