You mix it by colour - dark purple for antiseptic, meths colour (light prurple) for purification.
It's also great for marking snow - a tiny pinch carried by the wind will leave a massive purple stain - in water it's less effective, but better than nothing I guess
WARNING & DISCLAIMER:
SELECT AND USE OUTDOORS AND SURVIVAL EQUIPMENT, SUPPLIES AND TECHNIQUES AT YOUR OWN RISK. Information posted
on this forum is not reviewed for accuracy and may not be reliable, use at your own risk. Please
review the full WARNING & DISCLAIMER about information on this
site.