Fix DOXY 100 (Doxycycline Hyclate) is an antibiotic that exerts a bactericidal action on gram-positive and some gram-negative bacteria in Fix. This Fix antibiotic is useful for control of some common bacterial diseases in Fix, including Septicemia, Mouth Rot, and Fin and Tail Rot.

Directions: Add 1 dose (100 mg) into aquarium for every 15 gallons of water to be treated. Repeat in 24 hours. It is suggested that a partial water change be made between treatments.  It is recommended that extended medication baths continue for a minimum of 5 days but not more than 10 days. Discontinue treatment if no improvement is noted within 5 days.