There is no definitive answer to this question since different glues work better or worse depending on the type of tiles and pool surface. That being said, some of the most popular glues used for repairing and fixing pool tiles include epoxy, silicone sealant, and superglue. So it's best to try out a few different options and see which one works best for your specific situation. Good luck!

There is no one-size-fits-all answer to this question, as the best glue for pool tiles will vary depending on the type of tile and surface you are working with. However, some general tips on choosing a good adhesive for tiles include looking for a product that is waterproof, non-flammable, and able to adhere well to both porous and non-porous surfaces.