zheng gu jing

[wiz cool c]

zheng gu jing can this be used as a substitute for dit da jow9for hand training]? also if it says it is bad for the kidney and you use it externally,can it still somehow effect the kidney?

[GeneChing]

Might you mean Zheng Gu Shui (http://ezine.kungfumagazine.com/forum/showthread.php?t=50438)?