So how many stars are there in the Universe? It is easy to ask this question, but difficult for scientists to give a fair answer! Stars are not scattered randomly through space, they are gathered together into vast groups known as galaxies. The Sun belongs to a galaxy called the Milky Way.
Reverse osmosis. Reverse osmosis (RO) is a water purification technology that uses a semipermeable membrane to remove ions, molecules, and larger particles from drinking water.
A pH level of 7 is considered to be neutral, while most reverse osmosis and filtered tap water tends to be acidic.The Aptera RO Alkaline Water Filter raises the pH of your drinking water. The Aptera filter is also full of negatively charged ions that make your water a powerful antioxidant.elow is a standard installation of the alkaline ionized filter with a 5 Stage Reverse Osmosis(RO)System.