Toxin-Free Choices
  Wrapping up his series on a comprehensive approach to healthier pool water, John Cohen goes into great detail in defining system components and making specific product recommendations.
Nature’s Blueprint
  For years, John Cohen has dedicated himself to meeting the needs of clients averse to using traditional sanitizers.  As he reports in the first in a series of articles, his quest began with a narrow-minded 'expert' and has since pulled him toward a biologically inspired set of solutions.