Confidence votes 18. For the white through orange, it takes 4 or 5 wins. For the green through black, it takes about ten wins. I have heard in the end when you earn your black belt, the total wins is 88.
Sulfur occurs naturally as the element, often in volcanic areas. This has traditionally been a major source for human use. It is also widely found in many minerals including iron pyrites, galena, gypsum and Epsom salts.
What is sulfur? If you live in where rainfall is naturally low, or where limestone is abundant in your soil, you'll likely need to take steps to lower your soil's pH. Usually, the best product to use is 100 percent finely ground sulfur, a mined mineral. Sometimes called flowers of sulfur, this is the same material that gardeners use as a fungicide and is the material this calculator is based upon.