volcanic ash carbon for preventing silver tarnish
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volcanic ash carbon can prevent silver tanish for more than 2mths when place in the showcase.
volcanic ash can absorb large molecule of pollutant esp. hydrogen sulphite which reacts with silver.
silver tanish is black.
retiallers have to used chemicals to remove it but time consumming and the problems of price tags being mixed up.
No chemicals tanish remover is needed.
Selling very well in Malaysia.