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| 配方类型： |
SOAPS AND DETERGENTS |
| 配方说明： |
Removing Discolorations from Sinks and Other Ceramics |
| 配方组成： |
10% Hydrochloric Acid/3 oz.
"Bon Ami"/0.5 can |
| 配制方法： |
Mix the two thoroughly. Apply the paste to the discoloration, allow to stand 15 minutes. Rinse the paste off thoroughly with water. The item will be free of the objectionable stain. Repeat if necessary. |
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