"Adding Vitamins and Trace Minerals: Remove the Poly Filter from the water before adding vitamins or trace elements. After 3-4 days, place the Poly Filter back in the water. The Poly Filter will not remove trace elements included in marine salt mixtures."
Does that mean I can't add b-ionic and trace elements when i'm using it?
Does that mean I can't add b-ionic and trace elements when i'm using it?