Generally, an acid will not cause any problem with an unglazed terra cotta. However be sure to use a acid specifically called for in the cleaning of terra cotta. Follow the directions carefully and be sure to rinse throughly to remove all acid residue.
TIP: Cleaning any terra cotta can be tricky and it is important to chose the proper chemicals. Certain cleaning chemicals can cause irreversible damage to terra cotta. Before attempting any cleaning contact a specialist.
Article ID: 916
Created: February 3, 2026
Last Updated: February 3, 2026
Author: Admin
Online URL: https://surfacecarepros.com/kb/article/acid-based-cleaners-on-unglazed-terra-cotta-916.html