As per the product page - "Use for treating fungus, ick, red streaks, milky or shedding slime, flukes, bacterial gill disease, mouth and fin rot, clamped or torn fins, and ulcers. Lifeguard Tablets may also be used as a preventive when adding new fish. Five day treatment. NOT SUITABLE FOR SCALELESS FISH, INVERTEBRATES
(SHRIMP, SNAILS, ETC.) OR NEWLY SET UP TANKS. "
Sorry for the caps, that's how it is typed on the product page, and I just copied/pasted. Please let me know if you have any other questions.
Date published: 2018-08-23