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.
1 Parts per Million (ppm) is the weight-to-weight ratio of any ion to water.  A TDS meter is based on the electrical conductivity (EC) of water. Pure H20 has virtually zero conductivity. Conductivity is usually about 100 times the total cations or anions expressed as equivalents.