Mera dog pure herring krill potato grain free dog food is a balanced complete feed for dogs with dietary sensibilities and allergies grain has been intentionally left out this feed only uses one source of carbohydrates tasty potatoes mera dog pure herring krill potato grain free only uses fish as a single source of protein making it less likely to cause an allergic reaction mera dog pure only uses safe high quality ingredients a very special ingredient is antarctic krill a small sh