I’ve got fleas out in my garage floor that have gotten out of hand. We generally keep the dog out in the garage a lot (we don’t use it for the car) but started noticing fleas so we moved him out. I thought the fleas would die but a couple of weeks later we went in there to get a box and there must have been 50-100 that attacked!! No one wants to go out there anymore but I’ve got to do something to get rid of them. What can I use on cement?

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