I don't want to be scooping up chips and chunks of concrete when the soil

## Run vinegar through it? Wouldn't that be impractical in a 2000 gallon
pond?

No, but you don't use 100% vinegar. The point is to get the PH of the water
down to as low as you can get it. You can also cure the outside of the concrete
with muriatic acid.

I know my husband wants it fixed where the "fix" is permanent. It's
too expensive to fill and rinse a few times should concrete be on the
inside.

Eh?

Also, concrete would take up space and leave the gallonage less
than 2000.

You can dig more.

C//