Medical iodophors like Betadine (and teat dip for cows) are made up of iodine complexed with povidone (often written PVP). That formulation is extremely popular. But:
Does anyone have an inkling why povidone is considered unsuitable by the biggest manufacturers of brewing iodophor sanitizer? Does it have to do with the iodine being released at the right time instead of tied up in the complex?
- BTF iodophor is complexed with butoxy polypropoxy polyethoxy ethanol.
- IO-Star is complexed with butoxy polypropoxy polyethoxy ethanol and polyethoxy polypropoxy polethoxy ethanol.
Does anyone have an inkling why povidone is considered unsuitable by the biggest manufacturers of brewing iodophor sanitizer? Does it have to do with the iodine being released at the right time instead of tied up in the complex?