Laticrete launched Plasma, a professional-grade, ready-to-use grout which is crack and stain resistant and does not require sealing. According to the company, Plasma provides unmatched early strength development, easy workability and superior stain resistance that inhibits the growth of stain-causing mold and mildew in grout joints. Plasma is ideal for use in most grout joint applications between 1/16” to 1/2” (1.6 – 13 mm).