JBL pH Test-Set 3,0-10,0 is an easy to use quick-test for the general first-hand control of the pH-value in freshwater and saltwater, covering the pH-range 3,0 to 10.
- Only 4 drops per test.
- For approx. 80 measurements.
- Graduations in steps of 0.5 pH.
- Colour scale with 14 colours from red, via yellow and green to violet.
- For fresh- and saltwater.