With time, they Develop up and make a crusty or chalky white residue or spots. It’s a typical problem, and tends to make the clay seem gross eventually. But don’t be concerned, it’s quite simple to clean off the white gunk, and return your pots for their former glory. https://emilioymcqf.blog-a-story.com/8181224/a-secret-weapon-for-where-to-buy-large-terra-cotta-pots