TEC 15030275 Power Grout 25 lb Power Ultimate Performance Grout Starry Night is your solution for commercial installations that need to meet the ANSI A118.7 specification. It delivers color consistent grout joints from ¹/16" to ¹/2" (1.6 - 12 mm) wide for both interior and exterior tile installations. AccuColor® Plus is a fast setting grout that provides stain and efflorescence resistance in most any environment and in most applications.