How Long Is Diluted Dog Shampoo Good For?

How Long Is Diluted Dog Shampoo Good For? Before diluting shampoo/conditioner concentrate, all containers and caps must be cleaned with very hot water or a sterilizing solution (alcohol, etc). Any unused, diluted shampoo material should be discarded 24-32 hours after mixing. How do I make my dog shampoo safe? 2 cups of warm water. 1/4