to ATP Melonie!!!!!! And what a cute doggy in your avatar.
I have no knowledge of this being used for dogs or if it's safe or not. All I can say is to not just change the water everyday but wash the bowl with soap & water each day when you change the water.
I am a strong believer in the simple fact is that what matters in this life is how we treat others. I think that's what living is all about. Not what I've done in my life but how I've treated others. ~~ Sharon Brown