Expert PhotoReaders regularly get to 18 times.
PhotoReading does not triple your reading speed. Rather, a beginning PhotoReader will be able to get through materials three times faster than now--that includes activation.
During this period you will be going through the materials multiple times. That is why you are not reading three times faster.
It is a different paradigm than reading or speed reading.
Another thing is that your comprehension will be richer when using a system such as PhotoReading than you could ever hope to get with a speed reading course.
If you doubt it, put it to a head-to-head test.