Yellow stains on the toilet seat: Use dishwasher tablets to make the seat pearly white again. The toilet bowl and washing machine can also be easily cleaned with dishwasher tabs.
Citric acid also has a strong bleaching effect, but can also make the plastic porous, which is why you shouldn't overdo it with the exposure time. The tried and tested home remedies for yellowed toilet seats also include oven spray or denture cleaner. If the toilet is already heavily calcified, home remedies can help you get a flawless toilet.