Take All the Effort Out of Decorating with Our Ready Mixed Glitter Crystal Fix & Grout! Ready Mixed, & Ready to Go. Our Glitter Crystal Fix & Grout is Here to Help! Specially Designed Using only the Finest Quality, Grade A ingredients. 100% . Mould Proof & Water Resistant.Before starting, ensure that all tile surfaces are dry, clean, and free from dust or grease. If you are working with porous surfaces, apply an acrylic primer and allow it to dry fully before proceeding.For timber or wood surfaces exposed to water, apply a water-resistant sealer. It is also essential to test the Ready-Mixed Glitter Grout & Adhesive Fix on a sample tile to avoid potential staining, especially on satin, matte, or metallic finishes.Using a notched trowel, the acrylic mineral grout covers approximately 15m² / 161ft² with a 2-4mm joint size.