Salary. The Bureau of Labor Statistics reports that marketing managers in the United States earned an average annual wage of $126,190 as of May 2011. The median wage, or midway point between the lowest and highest salary, was $116,010 per year.
What is TDS. TDS is the total of all dissolved solid matter such as minerals, metals, salts and. contaminants in the water. B. How TDS is Determined. TDS is most often determined in pool and spa water by using a conductivity meter. These. electronic meters measure the waters' ability to conduct an electric current.
Pool Products: â¢ The most prominent swimming pool chemicals stored and displayed are tricholor-s-traizitrione. (aka, Trichlor), sodium dischloroisocyanurate (aka, Isoâs), calcium hypochlorite (aka, Cal Hypo), and hydrochloric acid (aka, muriatic acid). These chemicals are oxidizers and corrosive. Oxidizers. will not burn but they will rapidly accelerate burning if heated, mixed with water, or become. contaminated. Of all the pool chemicals calcium hypochlorite is the most reactive. It is. incompatible with other oxidizing pool chemi cals, muratic acid, and most other hazardous. materials such as flammable and combustible liquids, antifreeze, motor oil, and pesticides.