Spotters The majority of everyday spots can be removed with one of our three professional-quality SpotMaster™ spotting agents. If you need solvent action, the creamy white SpotMaster GEL™ should do the trick. For coffee or tannin related spots, the product of choice is SpotMaster CSR™. Regardless of how well you clean a carpet, if a spot remains, in the customers mind the carpet isn’t clean. HydraMaster offers a wide range of spotting products to meet most any challenge. These chemical products are marked with Black Color-Coded Labels and have the HydraMaster Job-Code ICON.