From what I understand (just from reading - nothing practical), the key is uv light alongside the peroxide. Some have reported success with peroxide and uv lighting (uv led strips) in a clear tub for a number of hours... guess it’s just down to what you are trying to remove the staining on...
I’ll get around to doing mine this week... hopefully on a day when the uv is strong...
I’ll get around to doing mine this week... hopefully on a day when the uv is strong...