I believe that if the soilfloc is applied and mixed to the pond basin that is above the water, when the water level rises it will be activated and start to work it's way toward any leaks.

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3/4 to 1 1/4 ac pond LMB, SMB, PS, BG, RES, CC, YP, Bardello BG, (RBT & Blue Tilapia - seasonal).