Sweet Lu will cleanse, deodorise and disinfect for an average life of three months. It gives a blue colour to the water while it cleans and deodorises and has a pleasant reodoriser (perfume) which adds a fragrance to each flush. Sweet Lu is made in Australia using biodegradable surfactants and provides a measured dose with each flush. This provides the economic use of cleaning product. Glass jar and plastic top are recyclable. Sweet Lu is biodegradable above existing Australian Standards and is safe in sewer and septic systems