How do I get the black stuff off my toothbrush?

Online Answer
First, Johnson recommends soaking the toothbrush head for 30 minutes in this DIY sanitiser: "Mix a half cup of water, two tablespoons of white vinegar and two tablespoons of baking soda in a large bowl (make sure it's big enough to accommodate the bubbling that results from mixing vinegar and baking soda).
Related Questions 📌
Although boiling water can be a bit harsh on the plastic of your brush, it does a great job killing the bacteria that builds up over time. Boil a small pot of water on the stove and dip the head of your toothbrush in the rolling boil for at least three minutes to kill most germs.
First, Johnson recommends soaking the toothbrush head for 30 minutes in this DIY sanitiser: "Mix a half cup of water, two tablespoons of white vinegar and two tablespoons of baking soda in a large bowl (make sure it's big enough to accommodate the bubbling that results from mixing vinegar and baking soda).
Q: Should You Throw Away Your Toothbrush After Being Sick? A: Yes. The bacteria that live on a toothbrush after you use it are considered anaerobic — meaning that they will die in the presence of oxygen. So, in general, if you let your toothbrush air dry, it will take care of most bacteria.