Iodine (I) is an essential trace element in seawater and likely one of the most important traces, playing significant roles in the physiological and ecological dynamics of marine organisms, including algae, corals, and microbes.

As per Reef Zlements mixing classification Iodine is a Type A element.

For more scientifically proven information regarding this element, please refer to our comprehensive H2P Methodology manual, which you can find at the link below.

1 ml of Iodine Zlement increases the Iodine concentration of 100 litres by 100 μg/l.

150ml bottle