* The above H2 tests are professional H2 tests. H2 level also depends on water quality and condition. (please put this small note below the videos)
Zeneland H2 Tumbler Introduction
H2 Test- Press Green Button for 2 Cycles - More Than 3000ppb
H2 Test- Press For Green Button - H2 Level More Than 1700ppb
H2 Test- Press For Blue Button - H2 Level More Than1300ppb
* The above H2 tests are professional H2 tests. H2 level also depends on water quality and condition. (please put this small note below the videos)