Alum Hacks
You may have noticed that after continued use of your alum block it develops a rough or less than ideal surface to rub across your face. What’s that about?
Let’s take a quick look at why this occurs and what you can do to alleviate the problem. It’s all to do with chemistry… This rough surfaced formation happens because as the wet alum block dries, some of the liquid water will evaporate…
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