Quote Originally Posted by satomi325 View Post
Freezing doesn't kill everything.

Soak branch in bleach water, then bake at 300 degrees in the oven for 30min-1 hr.

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I would go with this. Someone correct me if i'm wrong, but i believe bacteria are more resistant to acid than they to bases. I'd rather clean with bleach (high ph level) for this reason. I know there are some resistance to higher heat too. I feel like using this combination would be best to kill MOST types of bacteria that could be found there.