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$7
Where to buy: Amazon Target Walmart
Ingredients: Potassium Alum (Mineral Salts)
Average price: $7
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$5
Where to buy: Amazon Walmart Target
Ingredients: Water (Aqua), Potassium Alum, Sodium Bicarbonate, Benzoic Acid, Zinc Gluconate, Hydroxyethylcellulose
Average price: $5
