Berliner Sanitär-Elixier is a concentrated, highly effective, liquid, red toilet additive for use in portable toilet tanks. The product is non-hazardous and has an excellent effect against unpleasant odours. Commercially available toilet paper is decomposed and deposits in the tank are prevented. Berliner Sanitär-Elixier can be disposed of in the toilet with the tank contents. The product has good material compatibility: rubber, plastic, glass or metals are not attacked. Berliner Sanitär-Elixier supports optimised waste management.