I tried Maxima Ultragreen for making my fly leaders last summer. the stuff failed miserably I lost 3 fish because of it breaking and perfectly tied blood knots. I may have gotten just a bad batch but I have never had a bad batch of chameleon and the fish are never put off by the long brown string comming off the front of the fly. In my opinion Ultragreen is absolute garbage, some guys use it successfully but i am not willing to take another chance. if it ain't broke don't fix it maxima chameleon has served steelheaders for a couple decades now. It's reliable and it works.