As World War I came to an end, Russia gained control of Armenia, and fortunately for Armenia, the country was spared from much of the destruction and devastation of World War II in the 1940s.istorically Armenia and Azerbaijan have been long associated with Asia and the Middle East. In recent years some sources now consider them to be more closely aligned with Europe based on their modern economic and political trends. I.E.
mr. green thumb 01 New Member. just measured the ppm of rain water and it is 3-5 which is the same as reverse osmosis. Most tap water is 200-350 ppm which is not good for growing. So if you want good water cheap...catch is outta your gutters. plants will love it! Oct 16, 2010. #1.
Parts Per Million (ppm) Constituents in water are often measured in very small units. Many of the dissolved minerals such as sodium and calcium monitored by Tucson Water are measured in terms of parts per million (or milligrams per liter). The following may help you visualize how very small this unit is. One part per million equals: