I've tiled my shower walls with plain white 400mm long tiles (8mm thick??) with 1.5mm grout gaps. I'm not used to such thin gaps and need some advice.
What grout to buy (light grey) and how to mix it, and apply it. Do I just mix it as normal and use my normal 'squeegee' tool?
What grout to buy (light grey) and how to mix it, and apply it. Do I just mix it as normal and use my normal 'squeegee' tool?