To remove existing scales and fight further scale deposition in a AHU Nozzles Before Kashyap mineral descalers were installed at the company's Textile Division; the Spinning Plant would have to deal with very high mineral scale content/ hardness level of 29 GPG (500 PPM). After the Kashyap installation when mineral hardness content would reach as high as 57 GPG (975 PPM) all piping, nozzles and AHU sheets woudl strill be clean and free of scale build-up.