Image: Willem Velthoven Adding Clay Pebbles to our first grow bed During the first building weekend we set up a small system (nr.1) and a bigger 4-bed system with sump tanks (nr.2). Here we are pouring the grow medium into nr.1 14 en 15 april 2012
Image: Willem Velthoven Adding Clay Pebbles to our first grow bed During the first building weekend we set up a small system (nr.1) and a bigger 4-bed system with sump tanks (nr.2). Here we are pouring the grow medium into nr.1 14 en 15 april 2012
