Since there is some agriculture in Arizona you may want to try a farm supply or something. You may have to call quite aways away depending on where you are at.

There is a company in Arizona that specialized in a mixture that you can add to pond water without fish that will seal your pond. After some time you can add fish and they will be fine. If you want the address respond and I will get it for you.

If pigs could fly bacon would be harder to come by and there would be a lot of damaged trees.