The large production of Crude Palm Oil (CPO) causes a large amount of Palm Oil Mill Effluent (POME) to be produced. POME contains high organic substances and is rich in nutrients N, P, and K. Recently, One of the alternatives treatment used to treat POME is using Granular Indigenous Microalgal-Bacterial Consortium (GIMBC), which is a microalgae-bacteria aggregate with a solid and compact…