Dr Renovate - The Home of the SONIX Range of Cleaning SolutionsOur SONIX Range of Cleaning & Maintenance products have been specially developed and formulated in our own laboratories and manufactured right here in the heart of Derbyshire to offer you, the Caravan enthusiast, the highest quality, competitively priced range available on the net.Check out our full range here.. From traditional products like Glass Cleaner and Caravan Body Polish, through to the latest technology in Caravan Maintenance products including Waterless Cleaning through to our latest product,