var tips = new Array();
tips[0] = 'Did you know that a cubic foot of water amounts to 7.5 gallons?';
tips[1] = 'Did you know that the normal boiling point of distilled water at sea level is 212° Farenheit, 100° Celsius, or 373.15° Kelvin?';
tips[2] = 'Did you know that sea water has about 35,000 ppm (parts per million) of solids? New York City tap water by comparison contains 50 ppm of solids.';
tips[3] = 'Did you know that blue-green ice cubes are caused by elevated (Cu) Copper concentrations in the supply water?';
tips[4] = 'Did you know that the principal scale-forming minerals found in water are Calcium (Ca) and Magnesium (Mg)?';
tips[5] = 'Did you know that \"rusty water\" is caused by high Iron (Fe) levels in water?';
tips[6] = 'Did you know that the reason distilled water \"tastes flat\" is due to its lack of minierals?';
tips[7] = 'Did you know that condensate is condensed steam in liquid form?';
tips[8] = 'Did you know that water is sometimes callled the \"universal solvent\" because of its great dissolving properties?';
tips[9] = 'Did you know that water hardness is expressed in grains? 1 grain in a gallon of water is equal to 17.1 ppm (parts per million).';
tips[10] = 'Did you know that a \"deaerotor\" is a piece of equipment used to remove air from water?<br>Oxygen (O<sub>2<\/sub>) in air is a prime cause of corrosion.';
tips[11] = 'Did you know that Ozone (O<sub>3<\/sub>) is a form of Oxygen used to kill bacteria?';
tips[12] = 'Did you know that the pH of water is a measure of its acidity or alkalinity?<br>The pH scale ranges from 0 to 14, with neutral water at a pH of 7.0.';
tips[13] = 'Did you know that 70 percent of the Earth\'s surface is covered by water?';
tips[14] = 'Did you know that New York City uses about 1.3 Billion gallons of water daily?';
tips[15] = 'Did you know that the most common water-caused scale is calcium carbonate (CaCO<sub>3<\/sub>) also known as limestone?';
tips[16] = 'Did you know that the amount of water on the Earth remains constant?<br>It just changes form and location in nature\'s hydrological cycle.';
tips[17] = 'Did you know that Chlorine (Cl) as a gas, solid or liquid is the most commonly used water sanitizer?';
tips[18] = 'Did you know that water sourced from a well is an example of ground water?';
tips[19] = 'Did you know that the most commonly used indicator of bacterial pollution in water is the presence of coliform organisms?';
tips[20] = 'Did you know that a \"rotten eggs\" odor in water is generally caused by hydrogen sulfide (H<sub>2<\/sub>S) in the water?';
tips[21] = 'Did you know that water can exist in 3 states: solid (ice), liquid (water), or gas (steam)?';
tips[22] = 'Did you know that water-caused corrosion is estimated to cause over 30 Billion dollars in damage yearly?';
tips[23] = 'Did you know that Zebra Mussels are a big problem? They clog water treatment plants and inlet piping.';
tips[24] = 'Did you know that CSI is centrally located in the Tri-State area? See our <a href="javascript:openPopWin(\'newyork.htm\',650, 500,\'scrollbars,menubar,resizable,toolbar\',40,40)" onmouseover="window.status=\'CSI location map\';return true;" onmouseout="window.status=\'\';return true;">Main Office Map</A> for details.';
tips[25] = 'Did you know that a British Thermal Unit (BTU) is defined as the heat required to raise 1 lb. of water from 64&deg; to 65&deg; F?';
tips[26] = 'Did you know that the AC Energy Efficiency Ratio or \"EER\" is equal to = (cooling BTUs per hour / power in watts)?';
tips[27] = 'Did you know that a \"ton\" in cooling or refrigeration refers to 12,000 BTUs per hour?';
tips[28] = 'Did you know that using the correct filters in AC and ventilation installations is critical for system effectiveness?';
tips[29] = 'Did you know that \"boiler scale\" is a \"hard water\" problem where high concentrations of Calcium (Ca) and bicarbonite (HCO) ions exist?';
tips[30] = 'Did you know that the World Health Organization reports that 30% of new and remodeled buildings suffer excess complaints about indoor air quality?';
tips[31] = 'Did you know that \"HEPA\" vacuums are used to clean ductwork? HEPA stands for \"High Energy Particulate Arrestor\".';
tips[32] = 'Did you know that \"Sick Building Syndrome\" is more often a result of dirty ductwork than an inadequate fresh air supply?';
tips[33] = 'Did you know that 20% of office workers believe their work performance suffers due to indoor air quality problems?';
tips[34] = 'Did you know that cooling towers should be drained when not in use, and should be mechanically cleaned periodically to remove scale &amp; sediment?';