Recent content by DCM5150

I saw that and then realized I was reading the thread so others might be looking here too, so I posted anyway.

I think you got the temp/pH backwards. pH of water at 100C should be 6.14 and 7.47 @0C. And to be clear, (pure) water is still neutral at a pH of 6.14 and 7.47 at those temps. Changing the pH by changing temperature doesn't affect how basic the soap is. When we talk about pH=7 as neutral, that...