The home brew fermentation/carbonization stone from Gopani Filters is made from stainless steel food grade material. It is a practical, durable, anti-corrosion and high temperature resistant equipment. The diffusion stone is easy to clean and will not crumble in the brew even after multiple uses. Typically, the 0.5 micron stone variants are used for carbonation applications and the 2 micron variants are used for oxygenation.
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