Use Silica Gel Blue as Moisture Absorber
Silica Gel Blue is main alternative for maintaining moisture which is obtains cobalt chloride in it.
Whenever silica gel is absorbing moisture, gel’s beads color is change from blue to purple to pink. The reason behind is cobalt chloride.
Blue silica gel can be available in crystals foams which absorb around 8 % of its weight in water.
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