This study aims to determine how adding glutinous tapai water affects physical quality in the silage process of Elephant Grass (Pennisetum purpureum). The method used this was a Complete Randomized Design (RAL) with 4 treatments and 3 repeats. treatment includes P0: 0%, P1: 3%, P2: 6%, P3: 9%. conducted through several stages, including preparation rice water, elephant grass, making silage, obs...