ZooBest Test kit for exakt measuring the carbonate hardness in fresh- & saltwater or garden pond. Sufficient for more than 40 single tests. The test is very easy to handle and secure. A refill pack is available.
Actual product may vary from the image shown.
Actual product may vary from the image shown.
Overview
ZooBest Test kit for exakt measuring the carbonate hardness in fresh- & saltwater or garden pond. Sufficient for more than 40 single tests. The test is very easy to handle and secure. A refill pack is available.
Kati K. at 28.11.2017: You put a small amount of water in the glass vial provided. Next you start adding the test mixture, drop by drop. The first drop changes the color of the water. When you continue adding drops, at some point the water color changes again. How many drops - as much is the KH of the tested water.
Sounds good - but I did not find the test very accurate nor very reliable, as the water changes color so delicately. So I'm not sure of the results..
Tanja T. at 13.11.2017: Easy, accurate, excellent test
