Concrete in construction has recently gained media coverage for its negative CO2 footprint. but this is not the only problem associated with its use. Due to its chemical composition. freshly poured concrete changes the pH of water coming in contact with the surface to very alkaline values. https://www.roneverhart.com/2004-BMW-325i-Front-Engine-Hood-Hinge-w-Strut-Shock-Driver-Left-LH-OEM/