I am happy with my test starting seeds in the foam cubes. I put three foam cubes in a plastic bag those all started. I put two directly in DWC those started. I put three rock wool cubes directly in DWC but only two of those started.
The lettuce seeds start quicker that other seeds but I have had some not start in the Rockwool.
I am going to try starting other seed in the foam cubes.
(The seeds are a little deeper in the foam cubes)
I have my air pump hanging by string that sure quiets it down. It does not make much noise now this really helps.
1/3/2016