Yes spraying it is better than just using wipes...its available all over the place so sourcing it wont be difficult....if you have no joy, im sure you can get it on amazon, ebay or the likes of cleanyourcar or elite car care etc...its no special stuff for detailing work though so you will pay a premium if you dont buy stuff thats used in a chemist etc

In regards to PB or Gtechniq....you cant compare the two...PB is no where in the same league as C5....C5 and Cquartz are proper sealants and add a layer of protection to the wheels with its nano tech...it actually chemically adheres to the wheel/paint...

The PB is just a wax in all honesty...it breaks down very easily and hot brake dust can also cause it to break down. You will find yourself redoing your wheels after every other wash....

The Cquartz and the C5 will last MUCH longer...my C5 on the Focus lasted around a year, and the Cquartz I have on my Merc has been on for around 2months and still beading like day one!

Nano sealants will last around 6-12months, wax will last around 1-2months IMO with regular washing and driving.

The CQuartz http://www.elitecarcare.co.uk/carpro...acturers_id=66

Its around £15 cheaper than C5 to...and does the same thing IMO

Im so impressed with the Cquartz, that im looking into buying the rest of their range to...and I was a die hard Gtechniq fan!