You never did confirm what your CH level was based on how you did the test.
Raising CH is one option to protect the grout.
What CSI do you get with your numbers? There is more than one way to balance the CSI to be safe for the grout.
Raising CH is one option to protect the grout.
What CSI do you get with your numbers? There is more than one way to balance the CSI to be safe for the grout.