To provide all the nutrients your plant needs to grow healthy, it is necessary to use a good substrate for planting. The substrate serves as a support where they will fix their roots, in addition to retaining water and providing nutrients. Biosolvit Substrate for Orchids and Bromeliads was developed with special nutrients for Orchids and Bromeliads, has a 100% natural composition and is still the only substrate completely free of tannin and other toxic substances for your plants.