You can install our site as a web app on your iOS device by utilizing the Add to Home Screen feature in Safari. Please see this thread for more details on this.
Note: This feature may not be available in some browsers.
Helpful video that answers your question. Ckanderson hit the nail on the head, a degreaser is the way to go. Optimum Power Clean is great, so is the Meguiar's degreaser Darren uses in the video. Make sure to use the correct dilution ration.