1. Why do I need to use this on my marble floor tiles?
This is recommended especially if your marble is sealed with Stain Proof sealer as its compatible and keeps sealed working to its optimum.
2. Will this effect the polished finish on my marble floor tiles?
No this is completely safe to use on your polished stone contains no acid its a ph neutral ongoing maintenance cleaner.
3. Is it necessary to seal my marble / limestone floor tiles?
Yes this is highly recommended as it makes ongoing maintenance much easier especially on porous natural stone materials.