Potassium Permanganate Fine Crystals Powder 99.9% Use In Laundry Whitening 50g

Here’s how to use iteffectively:Dissolve a few crystals of potassium permanganate in 10 litres of water until it turns pinkSoak your stained clothing in this solution, and then rinse with hydrogen peroxide toneutralize any remaining permanganate.

eBay