Nutrafin Iron Reagent #2 Refill – 5 g (0.1 oz)
Nutrafin Iron reagent # 2 refill is for use with Nutrafin Iron Test (0.0 – 1.0 mg/L). Iron levels need to be carefully monitored in order to maintain lush, planted aquariums. It is recommended to test iron with a frequency that will maintain the suggested iron level of 0.25 to 0.5 mg/L, 5 g.
Format : 5 g (0.1 fl oz).