Vanguard Penta Bluish Grey 12.25 x 12.25

For Swimming Pool Installation, we recommend the following:
Recommended Thin-Set: MAPEI Adesilex-P10 Premium Glass Tile Mortar mixed with MAPEI Keraply Latex Mortar Additive
Suggested Grout: MAPEI Ultracolor Plus FA, MAPEI FlexColor CQ or BOSTIK Trucolor Rapidcure2.25 x 12.25