Eartbath Shampoo & Conditioner Gallons - People tested & pet approved, Earthbath formulates with heavenly scented essences to solve pets' unique needs. Naturally safe, pH-balanced and soap-free, Earthbath creates show-quality coats and is compatible with topical flea applications. Guaranteed. Most Gallons dilute 11:1 or 6:1 with water. Please mix & match 4 gallons per case.