![]() |
|
Portal | PhotoPost Gallery | Register | Blogs | FAQ | Members List | Calendar | Search | Today's Posts | Mark Forums Read |
|
Thread Tools | Display Modes |
#9
|
|||||
|
|||||
![]() That's my thought on it as well. If it builds up too much on the rock, it blocks all the pores we paid money for. This is where the denitrification takes place, so covering it isn't a great idea.
__________________
Brad |
Thread Tools | |
Display Modes | |
|
|