Some of the most widely employed escalating media's contain Rockwool, Light-weight Expanded Clay Mixture (called, Hydrocorn or Grow Rock), Coconut Fiber/Coconut chips, and Perlite or Vermiculite. Several of the most generally utilized escalating media's include Rockwool, Light-weight Expanded Clay Aggregate (named, Hydrocorn or Expand Rock), Coconut Fiber/Coconut chips, and Perlite https://www.bing.com/news/apiclick.aspx?url=https://basicaquaponics.poznayvse.com