this is the dry food she is eating in the morning: https://www.petstock.com.au/product/dog/royal-canin-veterinary-urinary-s-o-dry-dog-food/58497 and a list of the ingredients, as you see they are pretty crappy, no wonder her skin is going black...an awful amount of corn, fillers and sodium to make her wee more often therefore drinking more to flush the kidneys Rice, maize flour, animal fats, dehydrated poultry meat, maize gluten, minerals, hydrolysed animal proteins, vegetable fib