1. The yellowing or blackening of the pot after use is because the gas contains various impurities, and if the heating is too high or the outer wall of the pot is stuck with grease or seasoning, the heating may turn yellow and black, please use it in time. The detergent can be cleaned.
2, residual food and oil accumulation, these are usually not real stains, you can use hot water plus detergent, thoroughly cleaned with a sponge.