Alum, 500 g
Aluminum potassium sulfate is commonly called alum. Use this metal sulfate to learn how to grow large gem-like crystals using a seed crystal! (Dodecahydrate form)
Ages 12+
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Aluminum potassium sulfate is commonly called alum. Use this metal sulfate to learn how to grow large gem-like crystals using a seed crystal! (Dodecahydrate form)
Ages 12+
In Stock & Ready to Ship
Need it fast? See delivery options in cart.
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