Product Description Fix Mox Amoxicillin capsules are an antibacterial fish medication used to control common bacterial infections in fish. This product is pharmaceutical grade USP. We do not import foreign products, ours come from FDA licensed pharmaceutical manufacturers. For aquarium use. Each Fix Mox Amoxicillin capsule contains 500 mg amoxicillin trihydrate. 100 Capsules per bottle Each capsule contains… Amoxicillin 500mg. USP Amoxicillin is a semisyntetic broad spectrum antibiotic.For treatment against many gram-positive and gram-negative microorganisms. Dosage…Use one capsule [ 500mg. ] per 20 gallons water. Dissolve in small amount of water, add directly into aquarium, pond or hospital tank. Repeat every 24 hours for 5-10 days, do not exceed 10 days. It’s recommended that 1/4 water change be made daily during treatment.