Traditional Culture Encyclopedia - Photography and portraiture - What's the difference between a hot deoxidizer and a cold deoxidizer?

What's the difference between a hot deoxidizer and a cold deoxidizer?

Firstly, the dissolved oxygen content is different, and the dissolved oxygen content in cold water is slightly higher.

The second is that the PH value is different. The PH value of hot water is about 5.3, and that of cold water is about 4.9.

The third is the different content of carbon dioxide. The carbon dioxide content after cold water production is higher than that after hot water production.