Viewing a single comment thread. View all comments

Any_Antelope6782 t1_ja608uq wrote

are you sure you cleared your joints of mortar or mastic first?

1

Western_Cockroach838 OP t1_ja61erc wrote

Actually. There was still some mortar clinging to the edges of the tiles. It was under the grout line so I didn’t think too much of it. Is it possible the wet grout reactivated it and caused it to show on top?

1