Acmeair wrote:
this has been discussed many times before, but since the archives are down, i
would like to ask, how can the grey stain from EIS be removed? i use a hudson
ultrasonic humidifier to nebulize cs for colds, etc., and it works great. but
the tank on the machine is getting pretty grey lookin. anyone with a good
technique for removin the stain? it seems that hydrogen peroxide was used by
some users. any suggestions appreciated deeply.
thanks, jim
Wet a paper towel with H2O2 and let it soak. It will oxidize the
metallic silver to silver oxide and silver hydroxide, which then
dissolves. It can take a while. Rubbing may be helpful, but without the
H2O2 usually proves ineffective.
Marshall
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