The One Soil to Rule Them All! This is their richest soil yet and is designed to be used with a range of tropical plants. Perfect for people committed to checking soil moisture before they water. Contains 23 ingredients including balanced drainage and moisture retention, 5 seed and vegetable meals (including kelp!), 3 kinds of insect waste, 4 types of rock dust, 3 different charcoals, and several other ingredients. This is the most complete, balanced soil available on the market.