Masque has been developed to deal with the problem of obnoxious odours synonymous with industrial and environment waste. Masque deals with odours by pleasantly masking the problem. Masque does not harm the essential bacteria necessary to sewage digestion. Masque is highly concentrated and dilutes up to 1000 to 1, while still maintaining it’s effectiveness. Masque is available in a number of pleasant fragrances, including cherry, spearmint, vanilla and lemon.