API E.M. Erythromycin Powder treats a broad range of bacterial fish infections including hemorrhagic septicemia, fin and tail rot, mouth fungus (cotton mouth), open red sores and bacterial gill disease in freshwater and saltwater aquariums. Powdered fish health remedies allow easy dosing for easier, faster, and more effective treatment.

  • Broad spectrum antibacterial fish treatment
  • Allows treatment and control of bacterial fish infections
  • Treats fin and tail rot, open red sores, mouth fungus, and more

This treatment can also be used with many parasite treatments to prevent secondary infections.

API E.M. Erythromycin - 10 Pack

SKU: 1716316055
$15.99Price
  • API16055

  • For best results remove activate carbon. For each 10 gallons of water empty on packet directly into aquarium (For 850gm jar, add one scoop [1tsp] per 20 gallons), repeat dose after 24 hours then change 25% of the aquarium water. Repeat treatment a second time for a total of 4 doses, then make a 25% water change. Treatment may be repeated if necessary. Four doses required for full course treatment. 

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