Sometimes the sky in your images may be ruined by the use of a polarizing filter or for some other reason. Do not despair. There is a quick and easy way to repair your sky in Photoshop and even to restore your original clouds. Or if you don’t like them very much you can replace them with some other clouds.
In the video tutorial below we will see step by step how to isolate the sky in your image, how to create a sample of clean sky and use it for replacement, how to take only the clouds from your original image with bad looking sky and transfer them to your new clear sky and also how to create new clouds, matching your overal image from scratch with the help of the so-called Cloud Brushes, which you can buy from https://www.joelgrimes.com/clouds-and-skies