13.9.4 Oxidisers and dyes

Directions:

1 tablet to be dissolved in 4 litres of water to provide a 0.01% (1 in 10,000) solution (BNF)
Potassium permanganate stains; keep out of contact with clothing, fabrics etc. It may be irritant if the solution is too strong.
Do not use a ceramic basin or bath as these will stain.