This work evaluated the water absorption of glazed porcelain stoneware ceramic tiles using three different methods. Two methods were based on a procedure of boiling in water. specified by standards ISO 10545 and ASTM C373. and the third was the vacuum method proposed by the standard ISO 10545. https://www.roneverhart.com/Cookies-X-G-Pen-Roam-Portable-E-Rig-Vaporizer/