The grout I used said ready in 24 hours, but felt soft after a week. Cheap stuff bonds differently, almost like it needs a second chemical reaction. Three days is the sweet spot for a real cure, not just a dry surface.

@seana14 Yeah, the price tag definitely makes it feel like a gamble on a gimmick.

Patricia nailed it - I spent 8 hours on a failing Seagate once trying to patch bad sectors before giving up and swapping it out. Full replacement is almost always faster and more reliable than playing whack-a-mole with errors.

Read a review that said those cheap ones just cant handle thick paper.

Alcohol soaked ribbons are a gamble though... I tried that once with my Royal Quiet Deluxe and the ribbon basically disintegrated in my hands. Made me feel like a real klutz, just standing there with ink-stained fingers and a pile of torn fabric bits. That's probably just me though, I have zero patience for delicate stuff...