: Natural Waterscapes Granular Sodium Bentonite ...
So, the Natural Waterscapes Granular Sodium Bentonite Clay for Pond Sealing has fixed my leaking pond! The leak was around the concrete drain. The leak was so bad there was a large cavity about four feet deep and 30 feet long running along the outside of the drainpipe. I dug out the area around the drain about a two foot cube, that was the ...