4- Rinse and dry the radiators thoroughly after cleaning.

-Removing Yellow Stains:
1- If you find yellow stains, you can use bread crumbs to clean and polish the radiators. Gently rub the affected areas with a small ball of bread crumbs to remove the stains.
2- Baking soda is also an effective ally. Create a mixture with baking soda and water, dip a cloth in it and rub on the stains to remove them.
Conclusion:
With these simple and effective natural remedies, you can clean your cast iron radiators without much effort and with completely natural ingredients. Keep your radiators clean to ensure healthy air and efficient operation during the winter.