I read somewhere (sorry, don't have the ref handy) that the bleach route will work, but has the danger of producing toxic chlorinated byproducts that are difficult to separate from your product without a proper lab. BTW, when I dreamed about using the "cold cat" synthesis (oxidizing pseudo with KMnO4 under refrigeration), the product was found to be effective after bioassay. But you've gotta do an a/b extraction at the end, whatever they tell you in the FAQ; otherwise you will end up with a dirty (but still effective) product.