I chose two trouble spots in my house to test the Spotbot out on. The first was in near proximity to my litter box. Despite my best efforts, a cat upset at a unclean litter box would occasionally make her presence known on the carpet. There was not a visible stain, but I knew it was there. This brings us to the options on the Spotbot- there are two main settings to use the circlular brush underneath the device- a standard 3 minute cleaning cycle and a 6 minute deep cleaning version. I almost always chose the longer cycle- Wouldn't you want something to be cleaner with the only penalty waiting an extra 3 minutes? I did. The next option you have is the mixture of the soapy formula

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