You've replaced that cracked tile three times, and it keeps splitting in the exact same spot. Here's what's actually happening. The problem isn't your tile, it's what's underneath it. Most floors crack because the substrate wasn't prepped right or there's movement in the subfloor that no amount of grout can fix. Maybe your joists are spaced too far apart, or someone skipped the cement board and tiled straight over plywood. A qualified Tile Contractor Southampton NY will check for flexing before even opening a box of tiles. If you went with porcelain, you need a Porcelain Tile Contractor near me who understands that rigid tiles need rock-solid foundations. Otherwise, you're just wasting money on Band-Aid fixes. Tile Works by JP Corp : https://www.google.com/maps?cid=518396536349627987 Read the full story : https://socialytime.com/blogs/123814/Why-Your-Tile-Keeps-Cracking-in-the-Same-Spot