The correct answer is that both fixed protein stains and fixed starch stains should be treated with enzymes.

Serving the professional textile care industry since 1885
Mirza Aslam Baig of Senator Drycleaners in Ilford, Essex, UK has won the LCNi Büfa competition for September and will be receiving a Büfa spotting kit in due course.
The correct answer is that both fixed protein stains and fixed starch stains should be treated with enzymes.