Salifert Profi test pH
Professional pH test with a range of pH 7.4 to 8.6 and an accuracy of pH 0.2 units. Sufficient for approx. 50 tests.
The pH value can have a major impact on the growth of corals and lime algae and on many biological processes. The pH should not fluctuate more than about 0.3 units over 24 hours and should preferably be kept between 8.0 and 8.2.