Concentrated active gel drain cleaner removes clogs degreases and cleans just one application will do five jobs descale cleanse clean shine and deodorise made with organic eucalyptus essential oil free from colours perfumes synthetic preservatives suitable for septic tanks not tested on animals how to use slowly pour half of the can 500ml into the drain allow about 30 minutes for it to work then rinse thoroughly with cold water repeat if necessary dont use at the same time or