Interesting answers and ...
Published by Giovanni Pavanello, Director at ALVIM Biofilm Monitoring Technologies
Interesting answers and comments. Working since 8 years on biofilm-related issues, scientific research and industrial approaches, I'm quite sure there is no universal solution for this problem. I can just underline the need of checking the effectiveness of the treatment you apply (you can trust your supplier, but checking is always a good choice!). For more info about biofilm growth monitoring and check of sanitation effectiveness: http://www.alvim.it