What is the best way to clean gas permeable contacts to get the protein build up off when regular contact cleaner won't work? - Quora
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UpaClaire Ultrasonic Contact Lens Cleaner 2.0 (2nd Generation), Intelligent Cleaning Machine for Soft and Rigid (RGP) Contact Lenses, Blue
![Boston Advance Cleaner, 30ml - Leaves Lenses Clean, Ready for Disinfection and Conditioning - For Rigid Gas Permeable (RGP) and Hard Contact Lenses Boston Advance Cleaner, 30ml - Leaves Lenses Clean, Ready for Disinfection and Conditioning - For Rigid Gas Permeable (RGP) and Hard Contact Lenses](https://m.media-amazon.com/images/I/71ib8VsXQXL._AC_UF350,350_QL80_DpWeblab_.jpg)
Boston Advance Cleaner, 30ml - Leaves Lenses Clean, Ready for Disinfection and Conditioning - For Rigid Gas Permeable (RGP) and Hard Contact Lenses
![Boston Advance Cleaner, 30ml - Leaves Lenses Clean, Ready for Disinfection and Conditioning - For Rigid Gas Permeable (RGP) and Hard Contact Lenses Boston Advance Cleaner, 30ml - Leaves Lenses Clean, Ready for Disinfection and Conditioning - For Rigid Gas Permeable (RGP) and Hard Contact Lenses](https://m.media-amazon.com/images/I/61meBCu+PVL.jpg)