Recently my family was cleaning my grandma’s house. I was using hot water with bleach to wipe things down, thinking I was disinfecting the surfaces. My sister-in-law informed me that when you use hot water with bleach, you deactivate the bleach. I have never heard this before, is this true? She said to only use cold water with bleach when cleaning.
She’s probably referring to the CBS Early Show segment on Germ Warfare: The Laundry Room. While I didn’t see it live, I have reviewed the presentation and the only thing that I took issue with was their “expert” and his comment about bleach losing its efficacy in hot water.
The facts are:
Hope this clears up any confusion on the subject. Let me know if you have any further questions.