Description Bio Blocks The original Toss Blocks, these urinal blocks contain special bacterial cultures that clean and deodorise urinal traps and pipes while enabling great savings of water to be made. We recommend a typical urinal system need only be flushed about three times per day when using Bio Blocks. Bio Blocks are also compatible for use with Waterless urinal systems. Bio Blocks do not contain carcinogenic pDCB or other harmful or dangerous chemicals and are particularly suitable for use in public buildings such as hotels, pubs, clubs and restaurants as well as schools and institutions where care should be taken to protect people and the environment.
