ECOS Dog Between Bath Spray. A few sprays after a muddy walk or roll in the grass and you will have a fresh pup! ECOS Between Baths Dog Grooming Spray quickly freshens up your furry loved one when you don?t have time for a full-on scrubbin. Our special formulation uses Tea Tree and Peppermint to leave your pup clean and smelling great! Also soothes itchy coats and naturally repels fleas. Pair with our Pet Shampoo for a total clean routine.