'Recent tests undertaken at Iowa State University demonstrated that the product continued to show enhanced surface protection 21 days after application, even when that surface was washed with damp gauze at 7 and 14 days. '
Why do you think they called it 'xtend 21'? Extended protection for 21 days perhaps?
You don't have to be Einstein to work that one out
ZNO Price at posting:
42.5¢ Sentiment: None Disclosure: Not Held
