ADVERTISEMENT
I spread it carefully along the interior walls, leaving the excess on the bottom.
Additionally, I add a little peroxide to the bottom of the pan to enhance the lightening effect.
Phase 4. It’s time for the ingredients to work together.
I leave the mixture in the pan for 30-40 minutes. If the scale is very old, you can leave the mixture longer, even several hours.

Step 5. The cleaning itself.