Removing the grout haze off of stone tiles will require using a non acidic grout haze remover product.
Ceramic tile haze remover.
Using vinegar to remove grout haze is not a good idea when cleaning stone or other porous tiles however.
A couple of well known brands are dupont and sci.
Grout haze remover is widely available at any tile store home improvement store or hardware store or online.
Try using a professional grout cleaner designed for epoxy grout haze.
Avoid using a green tile sponge as it may transfer color to the grout.
Before you start removing grout haze allow grout to harden fully.
Epoxy grout haze can be difficult to remove with mild cleaners or scrubbing tools.
Diluted vinegar on porcelain or ceramic tile only and a nylon scrub pad and a commercial grout haze remover.
Newly installed porcelain tile often has a white residue called grout haze eliminate the haze from your tile with instructions from a professional contrac.
Heavy duty acidic cleaner.
You can also make a homemade grout haze cleaner using household vinegar.
Use a mop or spray bottle to apply the cleaner to the flooring then scrub each tile with a white tile sponge.
Be careful not to confuse grout sealer or grout cleaner with grout haze remover.
Heavy duty acidic cleaner is a fast acting heavy duty acid cleaner for textured non polished natural and manufactured surfaces.
Do not use this acidic cleaner on any types of acid sensitive tiles like marble travertine or limestone.