- You can't get to the inside channels easily and as the plants grow it becomes a jungle. But even at the beginning it is impossible to reach the inner channels to manipulate the support strings or maintain the system.
- You have to build a nutrient return to the tank.
Thursday, August 7, 2008
Organizing Your Channels
Arranging your channels can make a big difference to system design. This is an example of arranging the channels in parallel. At first that seems like a great idea, very geometric and regular. What it does mean is that you can minimize the support structure, here it is just two U-shaped sections of thin walled conduit. There are two down sides in my experience: