Sera pH Test for approximately 80 measurements in fresh or marine water. Tap water usually has a pH between 7.https://www.aquaristikshop.com/aquaristic/Sera-Test-pH-pH-Wert/389015/
- Kati K. wrote about Sera Test pH pH-Wert in 2017:
A very good, accurate enough and easy to use.
The colours are easily separated from one to another.
The test range is quite wide, and very accurate results (such as the difference between 6,8 or 6,9) may be hard to determine. Generally results are reliable.
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