How to Remove Mold from a Washing Machine Door Seal

We've been looking for a way to remove mold from a washer door boot seal for a very long time. We've tried many alleged remedies and tried a new one, documenting it in the entire process. It worked extremely well, and here are the results for you to see.
Note that the chemicals used in this are pretty strong, so take all precautions and ensure you do not let them stay in the washing machine for very long due to their caustic nature. As mentioned near the end, you can always remove the door boot seal prior to using the chemicals. However, since I wasn't sure this was going to work, I went ahead and tried the solution on the unit itself to great results.
Here's a kit with pool shock, a brush, and washing machine cleaner: bit.ly/3CtiuSi
The exact pool shock I used in the video (which was far too much): amzn.to/3KspoKK
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