殺菌 さっきん消毒 しょうどくじゃなかったです
sakkinshōdokujanakattadesu

Noun
Desu Copula

The polite, past negative form of 殺菌消毒

1. Wasn't disinfecting/sterilizing.; Didn't disinfect/sterilize.

Past/Perfective
Negative
Polite
Casual Register