For Soilfloc, ping TJ, he is always willing to help.
FWIW, if I understand correctly, you can till in Soilfloc into the dry soils of the pond. Once you get rain, it will swell and clog in place if it doesn't wash out. I would assume a combination of tilling, then laying down something to prevent erosion or even seeding it with ryegrass or similar to keep everything put until it fills.
