How can I effectively clean and maintain a stone tile shower to ensure its longevity and beauty?

To effectively clean and maintain a stone tile shower, use a pH-neutral cleaner and a soft brush or cloth to remove dirt and soap scum. Avoid harsh chemicals that can damage the stone. Seal the stone regularly to protect it from water damage and stains. Wipe down the shower after each use to prevent buildup. Regularly inspect and repair any damaged or loose tiles to ensure the shower's longevity and beauty.