1 drop per 20 L of aquarium water per day. 1 drop per 20 L adds 0,03 ppm of Fe.
Maintain iron concentration at 0,1 ppm.
1.4% Fe(gluconate, citrate, DTPA, EDTA), 0.1% Mn(EDTA).
Do not overdose! For use in aquariums only! Keep out reach of children and pets!