Cacti are a massive family of over 100 plants ranging from the desert, to the forest, to the tropics. Most cacti enjoy lots of bright sunlight daily. However it is important to try to ID the species because, some species of forest and tropical cacti can burn when they are in direct sunlight.
☂ As a genreral rule fro most species of common indoor cacti, water when completely dry, typically every 5-6 weeks
☀ Provide with indirect bright - direct bright light depending on the specific species