1. I call for 10-12 cups water here. Begin by adding 10 cups, if the pot seems too crowded, add 2 more cups. If you are making the broth only, you can add less water if you prefer, about 8 cups.
2. If you can get your hands on organic ginger and/or turmeric, don't peel them, as the skin holds lots of nutrients. Non-organic ginger and turmeric should be peeled.