That case study in Virginia was one of the few success stories about the plague zebra mussels. But an isolated success. Hey if they are common pond mussels and you can eradicate them, I would try potassium overload. A real nightmare as we have truly become global. Things are from other side of the world, in the Caspian. So they rape all of the sturgeon, which inhale billions of them, and they go crazy and make it over here. Unstoppable, will cost us billions upon billions with no real solution. I'd knock the mussels out because they filter eveything other animals need and throw the pond out of balance. A bottom of the food chain disrupter. The mussels would be my top priority.