BIOX is a microbiolical product, which is environmentally friendly and will commence the natural breakdown of the waste as well as organic matter left behind in joints cracks and crevices, which are the primary cause of resdual odours. With the correct dosage and continual application, BIOX will eliminate the undesirable colour and provide a constant freshness in the toilet and saintary areas. Dilution: Light odours: 1:50 Heavy odours: 1:10 (Leave for six hours to take effect)