Quote Originally Posted by d3rryc View Post
In my experience, the wafer/freeze-dried doesn't sink very well. I tried using ground-up wafers in an auto-feeder, and it just got skimmed off the surface. I couldn't get it to rehydrate and sink well enough to merit the effort. FWIW...
Would it work if it fed a submerged (one end) pvc pipe? Sits at the top until hydrated and then sinks below and into the water column?