Accurate testing of hydrogen water - There are two options of testing hydrogen concentration in water. No 1)- Hydrogen meter No 2)- Methylene blue colliod Platanium reagent drops Which is the most accurate and most relevant method - As per the research by Japan methylene blue colliod Platanium reagent drops is the best and prefect method to test accurate concentration of hydrogen H2 in water. However some people become confused in the word methylene blue and hence using only methylene blue drops so your results will become 0. Remind the word methylene blue colliod Platanium reagent drops gives you the accurate testing results for hydrogen water. hydrogen water testing kit hydrogen water testing drops hydrogen water testing reagent Methylene blue Colloidal platanium drops