Uploaded March 2019 | Updated September 2026, 1 hour ago
I started this test to see if the way we pour affects porosity. My test shows that it clearly does. Along the way viewers have suggested I do additional things to the blocks I poured. This is the final test for me, washing the blocks in caustic soda to see if it reveals additional porosity. Spoiler alert, It didn't.
I started this test to see if the way we pour affects porosity. My test shows that it clearly does. Along the way viewers have suggested I do additional things to the blocks I poured. This is the final test for me, washing the blocks in caustic soda to see if it reveals additional porosity. Spoiler alert, It didn't.










