Thread: How to seal a duck pond?

Originally Posted by poc30

I'm not sure if it would work for pumice but salt destroys soil structure and prevents drainage on some (most?) soil types. Could be an easy fix if it works. I would've thought that lime would been beneficial to soil drainage since it opens up soil generally and would cause you more issues but I'm not familiar with how pumice soil would react

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What he said. Lime opens up most soils through flocculation, Salt tends to tighten most soils up. Basic soil science 101.