Iron and Manganese Supplement by Kent
Macro-Algae and Freshwater Plant Supplement
KENT MARINE IRON & MANGANESE supplements iron, manganese, potassium and other micronutrients to spur saltwater macro-algae and freshwater plant growth. Does not contain phosphates or nitrates to cause undesirable growth.
Add 5 ml (1 tsp) per 50 gallons of tank capacity every week or 8 drops each day.