Shotcrete - Concrete that is conveyed through a hose and pneumatically projected at a high velocity onto a surface to achieve compaction, thus a method of placing concrete used primarily in the construction of verticals and overhead surfaces. It allows construction of walls and other structures using only a one-sided form and is placed at various thickness against these forms and/or against existing concrete, masonry, or Earth surfaces.
Today's Pool Myth: Does pool water burn? It’s not actually chlorine that burns your eyes, but improperly balanced water. A low pH can be caused by excessive rain water and can be raised by adding alkalinity increaser and pH increaser.