â€¢ Uses unique application-specific beneficial bacteria to remove uric-scale and solids. â€¢ Stays active in pipes helping prevent the build-up of solids that cause odours and blockages. â€¢ Leaves a lasting fresh lemon fragrance. Suitable for all types of urinals and troughs including stainless steel, porcelain and ceramic. â€¢ Ideal for use in waterless urinal systems. â€¢ Does not contain harmful carcinogenic pDCB.