Skin stains from test kit?

Derekb

Member
Jun 9, 2016
11
Merion Station PA
Just opened on Monday. After doing almost a complete TfP test kit plus salt, my fingers had these stains. Anyone else ever get this? No discomfort, just funny color looks like paint.
TIA!
 

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splashpad

Bronze Supporter
Aug 2, 2017
2,712
SE Kansas!
Is that from the salt or hardness test? I've actually never gotten stained fingers, despite the warnings on the labels, interesting!
 

Richard320

TFP Expert
LifeTime Supporter
Jan 6, 2010
23,932
San Dimas, CA (LA County)
Silver Nitrate stains from the salt test. Could be worse.

800px-Silver_nitrate_stains.jpg
 
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JamesW

TFP Expert
Mar 2, 2011
24,022
R-0007 sodium thiosulfate might take it off.

Read the sds sheet before trying it.

If you try it, just do it on a small spot and then wash well.

As far as I know, it's not dangerous, but any chemical can have an adverse reaction with some people.

I am not recommending that you try this.

Do at your own risk and only after doing your own research on whether or not it's worth trying.

You can also try vitamin C (ascorbic acid). Crush some tabs and dissolve in water to make a paste before applying.

Or try hydrogen peroxide.
 
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