The NPT Pool Finishes POOLMO Georgia Marble Marcite Pool Mix is a cement-based pool finish that hardens to protect your pool’s surface. Here’s a general application process: Surface Preparation – Ensure the pool surface is clean, free of debris, and properly prepped. Mixing – Combine the Marcite mix with water according to the manufacturer’s instructions. Application – Apply the mixture using a trowel, ensuring an even and smooth finish. Curing – Allow the material to set and cure before filling the pool with water.