That was my first guess, but it is way more than the water displacing the air in the pores.
Bryan Johnson

On Fri, Jan 28, 2022 at 7:31 PM Robert Harris <robertgharris@gmail.com> wrote:
If it's bisque, then I assume it's just air from the pores. Even if you wet
it well first, some of the porosity will take a while to fill.
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