Informal Testing at Home: Tap Water with one inch of yard soil
We test our cups over time in different ambient conditions at different times of the year on an ongoing basis, and record the results. Initially, we were driven to discover how our cups fared if they were to accidentally end up in fresh or marine waters. These are some results.
The progressive photo documentation above depicts the decomposition of a Better for All 16 oz cup immersed in tap water in a glass container with a random scoop of yard soil (approx 1″ of soil once it sifted to the bottom of the container).