Quote:
Originally Posted by
Brutuscz 
Definitely water pressure. So now it is done. It is two blocks high...but the liner only goes over the first block...so the water is only one block high. Seems to be strong now. In the spot that had the weakness, I put rebar in the block and nailed them into the ground...just to be safe. So..My pond is 4 feet below ground and 8 inches above ground.
It was very hard to level things...so, some liner is showing. I want to figure out a way to cover the liner. Not sure what to use...any ideas?!?!