Are you cleaning it daily? Running a bit of water over it and turning the dials and pushing the buttons? Maybe using a rocket blower first to clean off the drywall and dried dirt before adding water?
The ultra may be better, but I still think you’ll need to have additional steps each day for longevity, but it may not help. That’s tough work. But at least good on you for the Apple care!
Are you cleaning it daily? Running a bit of water over it and turning the dials and pushing the buttons? Maybe using a rocket blower first to clean off the drywall and dried dirt before adding water?
The ultra may be better, but I still think you’ll need to have additional steps each day for longevity, but it may not help. That’s tough work. But at least good on you for the Apple care!