This study discusses the durability of conc rencete using PCC cement with a conc rencete quality plan of f'c renc 15 MPa, f'c renc 20 MPa and f'c renc 28 MPa through a treatment process using normal water for 28 days which is then immersed in a peat water environment with a pH ranging from 3.00-3.80 with an average pH of 3.42 for 120 days in Bengkalis Regency. The objective of this research is …