Should i feed Wellness CORE or Solid Gold dog food?

I like the Solid Gold Barking At The Moon.It is mostly fish with a little beef.The rest is just vitamins,minerals and herbs.I often refer to it as a Herbal mix.Although the fish is not named it's one of the better ones I've seen my dog enjoy.My dog is not very active.She's been on grain free for over a year now and she's doing fine.