A lot of the most widely utilised escalating media's involve Rockwool, Lightweight Expanded Clay Mixture (referred to as, Hydrocorn or Grow Rock), Coconut Fiber/Coconut chips, and Perlite or Vermiculite. Many of the most generally applied escalating media's contain Rockwool, Light-weight Expanded Clay Mixture (termed, Hydrocorn or Expand Rock), Coconut Fiber/Coconut http://usui.moo.jp/topics-board/topics-board.cgi?cmd=re_direct&jump=https://basicaquaponics.poznayvse.com