Cobalt (Co) - supports the coloring of fish and plays crucial role in the growth of some beneficial algae, bacteria and animals. Cobalt is essential for metabolic changes and is a part of vitamin B12. 1 ml of the product increases the cobalt level by 0.0005 mg/l (ppm) in 100 litres (27 US gal) of water.
Recommended level: 0.0001 - 0.0006 mg/l (ppm). We recommend dosage based on the ICP-OES tests results.