SPECTRALOCK® 1 Pre-Mixed Grout - Premixed Professional Grade Grout

• Locks in color and blocks out stains - Available in all 40 LATICRETE® grout colors and 12 SPECTRALOCK® DAZZLE™ additive options which creates glitter grout or glow-in-the-dark grout. SPECTRALOCK 1 has uniform color consistency using SPECTRALOCK sand and is stain-proof^. It is professionally formulated to ensure a long-lasting appearance, year after year.
• Strongest pre-mixed grout on the market - Tested and evaluated in accordance to ANSI A118.3*, SPECTRALOCK 1 outperforms traditional pre-mixed grouts currently available on the market. With a PSI rating 10X higher than standard pre-mixed grouts, it’s the strongest one-step grout available — resistant to cracking and rated for heavier foot traffic for an installation that can last a lifetime. 
• Features built-in Microban® antimicrobial product protection fight the growth of mold and mildew on grout surface. 

*Meets or exceeds ANSI A118.3 specific test designation 5.6