METHOD FOR WATER TREATMENT

摘要

The invention provides a method for treating a swimming pool, the method including the step of introducing Mg2+ to a level from 60 ppm to 300 ppm to the swimming pool by addition of a soluble magnesium compound to the swimming pool, or Mg2+ to a level from 60 ppm to 1000 ppm by addition of a magnesium halide in addition to a further soluble magnesium compound.