Water: Moon grafted cactus are drought tolerant and are to be watered twice a month during summer and once every month at other times of the year. Water the plant if you find the soil dry out. Make sure you do not overwater the plant.
Soil: This plant prefers alkaline to neutral soil. However, the soil needs to drain well, as residual moisture or puddling can cause the plant to rot.
Lighting: Although this plant is tolerant of high heat, it requires full sun to partial shade. Make sure you protect it from afternoon hot sun.