tank fish

there appears to tiny dots everywhere in my aquarium, despite my efforts of water changes they won't go away, you can barley see them but they are little white specks everywhere in my tank

Hi everyone, as it is coming up to Christmas, I thought that I would surprise my partner by getting him a fish tank! He absolutely loves fish and fishing it's a huge hobby of his. Already owning a gecko and bearded dragon he likes the unusual pets. Now, this is where I need the help. I really...