Stain Out  is primarily used to remove stains resulting from the presence of metals such as manganese, iron and copper on all types of pool liners. The de Stain Out formula dissolves metals in water and helps to restore clear water following coloring caused by these same metals. -bb3b-136bad5cf58d_ is used in combination with Metal Out  to completely remove metals once they have dissolved in water.
Benefits
Removes metal stains from all types of pool liners
Removes water discoloration due to manganese, iron and copper from any water source
Without phosphates