Based on the statistics gathered among our user customers, it has been observed that the majority of experienced companies, which have established their systems well and perform effective carpet cleaning (refer to: our improved, effective carpet cleaning techniques, and the article named Era 111), do not use additional products alongside Era 111 Carpet Shampoo. (Approximately 80%) Era 111 contains maximum levels of stain removers and nonionic surfactants. However, there are also carpet cleaning companies that use products such as stain removers or bleach produced by us or other companies. Nevertheless, if you still wish to use additional products, you can add a small amount to the water mixture prepared according to the level of carpet soiling. If you want to add bleach; using Era 111 Carpet Shampoo with bleach does not result in any chemical reaction that would affect the product's properties, meaning it does not lose its characteristics. It should be noted that excessive use of bleach can shorten the lifespan of carpets.