We've just had our garage converted into another room. The builder was unable to get a good match of colour for the bricks so we are going to get the bricks tinted and that is being done next week. However, the mortar looks to be a completely different colour to the existing mortar. This is completely dry now. If this looks really out of place once the bricks have been tinted, is there a way to lighten the colour of the mortar? I knew about the bricks not matching, but I didn't anticipate the mortar to not match either.