|
|
|
#2
03-10-2008, 08:42 PM
|
|||||
|
|||||
One word - porosity. Avoid big heavy bricks which have little surface area, are harder to stack and are plain boring. Porous rock holds more bacteria/hitchhikers, creates better structures and allows more flow for less money.
|
| Thread Tools | |
| Display Modes | |
|
|
Threaded Mode
