Ideally, you should remove one Mezuzah for rechecking. Even better would be to replace with a better Mezuzah, and make a Bracha when putting it up. Sources: שאינו…
Ideally, you should remove one Mezuzah for rechecking. Even better would be to replace with a better Mezuzah, and make a Bracha when putting it up. Sources: שאינו…