1, different components: weak alkaline water contains a certain amount of alkaline minerals, such as calcium, magnesium, sodium, etc., which can play a certain role in alkaline regulation. Pure water is water that has been treated to remove most impurities and minerals, and its composition is relatively single.

2. Different functions: weak alkaline water is considered to have certain physiological functions, which can neutralize acidic substances in the body and promote metabolism and health. Pure water is mainly used for drinking and cleaning in daily life.