Hi,
This question were posted and
answered many many times that you can not imagine..
So it's better to not ask before reading this forum.
As other pro users I strongly recommend you to have a look at forum.
There are many topics about this subject.. Many pro users made a comment and wrote their personal tests and experiences.
Please show them respect by reading the forum.
So
please do not be lazy! Spend 12 hours on the forum page and get many information that you need. Easy to use this forum page..
Once you get many idea on your mind that is not answered.. We are all here to help
Britons say; No pain, no gain.!