This video shows us how to install a ceramic soap dish in our bathroom shower. In this demonstration the instructor already had a slot in the shower tiles for the soap dish to go. Attach a long strip of masking tape on the edge of the soap dish. Mix some grout and place this on the part of the soap dish you are attaching. Be generous with the amount so you know it will stay. Place the soap dish in the slots and use the tape that you attached to be extra security that your dish will not fall. Wipe off all the grout coming out the sides so it is not messy and let it fully dry. Remove the tape and you are all done.
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