Instructions For UseApproximately one capful per ten gallons provides the ideal amount (0.3 mg/L) of iron. The manufacturer recommends using the Nutrafin Iron Test Kit to regularly monitor chelated iron levels.This product complies with California Department of Food and Agriculture regarding non-nutrient metal content. The maximum total Arsenic (As), Cadmium (Cd), and Lead (Pb) is less than 0.2 ppm each.Keep out of reach of children. If swallowed, seek medical advice.Made in Canada.
Hagen Nutrafin Plant Gro Iron Enriched Aquatic Plant Fertilizer
Size: 4 oz.