Fu Hai Shi (Fu Shi, Hai Fu Shi) – Pumice – Or occasionally Costazia skeleton (an aquatic invertebrate similar to coral) – “Float on the Sea Stone”

Nature: salty, cold

Enters: Lung

Actions: Softens and resolves hardness and masses; promotes urination; clears Lung heat; resolves phlegm.

• Lung heat: cough with thick, sticky sputum or coughing up blood.
• Phlegm: masses, nodules, scrofula.
• Hot or stony painful urinary dysfunction – urinary tract infection, kidney or bladder stones.
• Pumice is very light – some say it can slightly disperse Lung Qi.
• To promote urination, grind into a powder and take directly.
• When decocting, place it in a tea bag.
• History of use as an abrasive for softening skin, and more recently in spas as a powder as an exfolliant.

Dose: 6-15g

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