White peppercorns will float on the surface of the water is not bad. White pepper particles itself is very light weight, basically negligible, will be put into the water is completely will float on the surface, this is a normal situation, is not white pepper particles deteriorated. White pepper has a greater medicinal value, can disperse cold, stomach, etc., can enhance appetite, digestion, promote sweating. It can also improve female leukorrhea abnormalities and epilepsy.