A possible solution for those of you not buying in to all the eco rubber hype and are still clinging to your felt soled wading shoes.
According to the National Institute of Water and Atmospheric Research in New Zealand, Uncle Jack's Didymo Killer is 100% effective in killing Didymo on contact and will not harm you, your gear, or the environment.
This report by Vermont Fish and Wildlife also concludes there are some compelling reasons to use products containing the active ingredient found in Uncle Jack's, benzalkonium chloride, to control the spread of Didymo. Added Bonus? It's also effective against whirling disease.