First, weak urine smell on the terrace (stone tiles with joints) became stronger the warmer it became outside. Had towels, baskets etc. already so there was only this option. Cleared wood flowers stairs and voila, spots not visible but what a Odeur. Even the rough plastered wall had caught. As an immediate measure with diluted "environmental" -Essigreiniger (not essence!) Off unsuccessfully. Thank God I did not have chlorine cleaner in the house. With plenty of water washed over the tiles and ordered Ecodor, was there two days later. Informative guidance (eg the notice to lay a plastic sheet after spraying for better effectiveness). Have 0.5 ltr pur filled spray bottle in an unused (!) And mornings sprayed the tiles and joints as well as the piece of wall (so total around 4 square meters). Kindly was elsewhere just a fresh puddle emerged, this sprayed only blotted dry and. The product is harmless for animals (enzymes, chemicals, and biodegradable), so had to not have to worry if the rumtanzten there because I unfortunately had no film me. The smell of urine was determined by the funds instantly stronger, as advertised, and I could see how it shows yellowish rose in some places to pieces. Allow to dry in the sun, again total sprayed, and in the afternoon the "special" points again. The pint was good enough for it. (Ago 2 weeks) no recurrence since been necessary, no smell, no new markings, and the pints of the original bottle left. I have the means 3 times on the day used because I wanted to be absolutely sure, because of the lack of film, and it worked out well. Glad that I have invested a little more money rather than me try out unsuccessfully by various inexpensive remedies and top pay at the end. On the subject of chlorine cleaners etc .: It is essential not to approach with these or other aggressive agents to the sites in order to avoid damaging conditions for the enzymes to be created; Therefore I also have a new spray bottle used (1 store). The effect on fabric such as sofa, rug or wood I can not say anything, because these cases have occurred.