Thread: My third system
View Single Post
  #6  
Old 07-25-2011, 05:21 PM
GpsFrontier GpsFrontier is offline
Senior Member
  
Join Date: Mar 2009
Location: Lake Havasu AZ.
Posts: 1,855
Default
Gravel isn't porous, so it dosen't hold any water itself.
__________________
Website Owner
Home Hydroponic Systems
Reply With Quote