"While they enjoy occasional watering and rain showers, succulents do not tolerate excessive humidity and overwatering, ...
Focus your additions on plants with narrow leaves, tiny leaves, succulent leaves, fuzzy leaves, silvery leaves, hard leathery ...
Succulents are so accommodating and low maintenance ... Well water is cold, and sometimes has minerals that change the pH of the soil. Rain water is pure, without added chemicals.
Think of a camel that stores food in his hump! This guides as much rain as possible to the roots. Some cacti and succulents have swollen roots that store up water for the days when it doesn't rain ...