Each tablet contains...Doxycycline hyclate 100mg. USP
Doxycycline is a broad spectrum antibiotic
For treatment against many gram-negative and gram-positive microorganisms
Dosage...Use one tablet [ 100mg. ] per 10 gallons of water
Dissolve in a small amount of water, add directly into an 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
Caution...Keep out of reach of children
For ornamental fish use only
Not for human consumption or fish meant for food