How do you find a leak in an concrete pool?

To find a leak in a concrete pool, start by checking the water level; mark it and observe if it drops significantly over 24 hours. Inspect visible areas such as lights, skimmers, and return fittings for cracks or damage. You can also perform a dye test by adding food coloring near suspected leak areas to see if it gets drawn in. If the leak persists, consider using professional leak detection services that employ specialized equipment.