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 (27 US gal.) daily.
10ml