Stubborn and tough stains are impossible to go. power cleaning werribee never gives 100% guarantees or a complete stain removal service. Obviously a good method of carpet cleaning results good on the old and rigid stain. A timely carpet cleaning help your carpet to look good always. However there are some substances on the earth that will permanently discolor carpet fibers. So in that case it is quite difficult to get all the stain eliminated if the carpet has very old urine stains, bleach or some permanent inks or dyes stain.