Dr. Tank Trace Elements is a liquid micro nutrient formula for aquarium plants. It contains iron, copper, manganese, zinc, boron, magnesium and molybdenum It does not contain nitrogen, phosphorus or potassium.
Available in 250 and 500ml bottles.
Directions: Use 10 ml (2 cap full) for every 50 L of water every week. Adjust based on plant types and density.