Thank you FishinRod! I have an a channel in my newest pond between a deeper pond (max depth about 8') area and a shallow wetland/duck-pond area (each about 0.4 acres at full pool) that seems to have enough wind action to keep the rocks clear. I have some larger (6"-16") rocks in the channel but will need to add more. Not sure if this will work but once the warmouth get going in this pond, I may try adding 5 walleye per year for a few years and see what happens. Lots of weed growth in this pond, but not in the channel. I think this is because the pond leaks and the channel goes dry for a few months in the summer. Just thought I'd see what happens with only a small investment.