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Video information:
Health & Safety Data Sheet:
This grinding stone has a much smoother surface than the traditional Chinese grinding stones.
The finer the grain of the ink stone the finer the sumi produced (which also affects the colour). A rougher stone would damage the ink molecules. It is recommended to wash it out before and after use.
The finer the grain of the ink stone the finer the sumi produced (which also affects the colour). A rougher stone would damage the ink molecules. It is recommended to wash it out before and after use.













