A few of the most generally used expanding media's include Rockwool, Lightweight Expanded Clay Aggregate (identified as, Hydrocorn or Mature Rock), Coconut Fiber/Coconut chips, and Perlite or Vermiculite. A number of the most widely utilised rising media's involve Rockwool, Light-weight Expanded Clay Combination (termed, Hydrocorn or Develop Rock), Coconut Fiber/Coconut http://zanderrgvg57976.free-blogz.com/17843884/hydroponics-hydroponics-store