Supplement contains concentrated iodine. Essential for many corals especially for mushrooms, zoanthids, gorgonias and other soft corals. Supports blue and purple colour of stony corals. Can be quickly depleted by macroalgae, strong illumination and an aggressive skimming. Iodum has disinfection effect, supports fish and corals health and their resistance to diseases.

Dosage: 1 drop per 100l daily.

Capacity: bottle of  10ml