I've just given the Cossie a complete detail using the products recommend by Gaz for Imperial blue paint. The result was fantastic & worth the 5hrs excluding washing the car

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What I need to know is what is the best way to keep it at its best ? I use Poorboy's Slick & Suds once a week & use plenty of clean water when washing the car. Is there anything I can do to protect the paint work & how often should you polish the car to this extent ? Are the quick detail sprays any good ??
The car lives on the drive, so is outside in all weathers.
Cheers for any responses.