Phenolphthalein

$2.15

Phenolphthalein is a clear liquid used to test the pH of soap.  To use, simply use a drip one or two drops onto your CP soap, liquid soap or cream soap.  If the drops remain clear, your soap is neutral and can be used on the skin.  If the drops turns dark pink or fuchsia, your soap is not yet ready for use and requires more curing time

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