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First scarf: Cast on
So, is this acrylic paint? And, this may seem like a stupid question, but I would assume you screw the lid back on the jar, and turn them upside down in order to keep them dry on the inside if you are going to line the front of your house? Would you recommend spraying a protective polyurethane, after it's dried, of course, or is it not necessary?
The reason is you want your dog's water constantly moving, especially through clean rocks, because it keeps the water clean and fresh, otherwise it becomes stagnant. How many times have you picked up their water bowl and said, "Ewww, I just washed that water bowl yesterday, and it is already filthy"? This will keep their water fresher and cleaner longer. If you don't keep your dog's water clean, it can actually grow these little, black worms in it that you sure don't want your dog drinking!