Day: March 26, 2019

Tanning leather with alum at home

Tanning leather with alum. These are chromium-potassium and alum-potassium, in addition, aluminum is used (such alum was used in photography). In order to achieve the maximum effect, a special chromium solution (extract) is used (but it is not for home use, because it is very poisonous). For home use other methods of tanning. Tanning with […]

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