You might be able to fill the hole with bentonite if it doesn't wash thru the hole first. I'm guessing that for a more permanent fix you'd have to dig it out and re-pack it. But, I'm not a dirt guy. I second the suggestion of contacting Mike Otto.


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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).