glass grout

We had Lunada Bay (color H20) 1 x 3 glass waterline tile installed in our brand new pool. Grout color we selected is Delorian Gray. We had to get the pool company to do this twice. The first time they left noticeable voids behind the transparent glass. After having them demo it, they...

Was nearing completion on a project. Waterline tile bought at floor and decor (dream Icelandic blue) and verified to be OK for pool use. Builder just wanted us to make sure before use, which we did, and showed him the website and the label at floor and decor, so it was installed. One week after...