Marine Trace - 16.9 oz.

This product supplies a broad range of trace elements demonstrated to be necessary for proper fish health and growth. Unlike terrestrial animals, fish obtain nutrients from both their food and environment. Trace elements are normally depleted by utilization, oxidation and precipitation, thus it is important to restore them on a regular basis. It contains only those elements actually demonstrated to be required by fish. Treats 100 gallons of water for 2-4 months.

Calcium 2.64%, magnesium .792%, iodine .100%, potassium .100%, copper .0032%, iron .0007%, zinc .0007%, manganese .0002%, flourine .0001% and selenium .000006%.

Directions: Use 1 capful (5 mL) for every 80 L (20 gallons*) twice a week.