Grow Potassium Alum or Synthetic Ruby Crystals
By A Mystery Man Writer
Description
Potassium alum or potash alum crystals grow very quickly and easily. If you color the crystals red you can get beautiful 'ruby' crystals.
alum crystals
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Purple Alum~Lab Grown~CRLGPALU
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Science, And Some Sparkle! Kids Can Grow Crystals In, 42% OFF
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Grow Potassium Alum or Synthetic Ruby Crystals
When marbling, use Alum to pre-treat fabric for clear transfer of designs. One cup of alum is dissolved in water along with four teaspoons of Calgon, to create a solution for submerging the fabric. Wring out the fabric without rinsing and allow to air dry before marbling.
Jacquard Alum - 1 lb
from
per adult (price varies by group size)
