Why is iodine required? Corals might require iodine as a de-toxifier, as a protection against uv-radiation and as a natural defense against many parasites. Iodine is present in NSW (Natural Sea Water) in a very low concentratio...
The importance of trace elements By trace elements we usually mean elements that are present in natural seawater in a concentration lower than approx. 1 mg/L or ppm. Some of these elements are essential to make many biological p...
Salifert pH Profi-Test
The pH value in a marine tank has a major impact on the growth of corals and calcareous algae and on many biological processes. The pH should not be allowed to fluctuate more than approx. 0.2 units dur...