REMOVE BLOOD STAIN ON TILES
Remove blood stains on floor tiles by dabbing them with a cloth dampened with slightly diluted ammonia.
REMOVE BLOOD STAIN ON STONE
Scrape up as much of the stain on the stone as you can and then scrub with a brush sprinkled with baking soda and a bit of ammonia.
REMOVE BLOOD STAIN ON MARBLE
Apply to the stained marble a mixture of polishing powder and a few drops of ammonia.
Once the stain is removed, rinse the treated area.