full salt is generally considered to be 1.018 and up, but some aquarium stores keep their saltwater on the lower end, like 1.016 to help avoid saltwater ich.
true brackish at least how I understand it is 1.005 up to about 1.016 but its hard to draw an imaginary boundry.
true brackish at least how I understand it is 1.005 up to about 1.016 but its hard to draw an imaginary boundry.