as far as I am aware yes it was. I am assuming from your question that grout residue left behind could cause this effect? If so, what would you suggest to resolve this? Does it require a stripper to remove the grout and sealer, then reseal?
Can anyone help? I have just had a good quality quartz floor (mirror flecked) laid with epoxy glitter grout. We are using the supplied cleaner for washing these tiles but every time they are washed, or even clean water washed, they dry leaving a milky stain effect over them. The tiles were...