Pour 1 cup or 200ml every day only when the soil begins to dry out. Do not over-water as it leads to root-rot. Water early in the morning or late evening when temperatures are cooler and direct sun will not cook off the moisture before it can seep down to the roots.
Most ficus trees enjoy bright indirect or filtered light with variegated varieties happily able to take medium light. Bright, direct light may result in scalding of the leaves and leaf loss. It requires a moderate amount of watering in summer, and only enough to keep it from drying out in the winter.
Ficus trees also cannot tolerate low temperatures or droughts. They need to be kept in temperatures above 60 F (16 degrees C) and actually prefer temperatures above 70 F (21 degrees C). Feed with slow-release pellets in the beginning of the growing season.