Sufficient for approx. 75 measurements. 

This is the only hobbyist kit we trust for ease of use and accuracy.  We've used other popular brands but this test kit is by far the easiest, fastest, and most accurate we have used.  Highly recommended for reefers and planted aquarists who want to fine-tune there iron dosing. 

Iron (Fe) is an important component of plant nutrition. In case the plants have fading leaves this may be due to lacking iron. 

The sera Fe-Test provides quick information about possible deficiencies. 

Detection of chelated (stabilized) iron is possible. 

For freshwater and saltwater.