I have two big dogs and feed each with their own dog food (one is a pup and one a senior) with these feeders. I can never figure out why one needs to take the food out of the dish in mouthfuls and then drop it on the floor, and eat from there. Kind of defeats the purpose of an elevated feeder ! Water is different however, and the elevated dish for water seems to keep the slobber and mess to a minimum. I have not needed to fill the legs of these with sand or water, but did on a previous model with a more aggressive dog that liked to knock it down in the eating process. Good to have that ability. All in all these are more attractive than the blue and other colored ones available. Good units if your dog will actually feed elevated.
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