Ruby Reef Rally Pro is a concentrated, broad-spectrum treatment for freshwater and marine fish that you dose right in the display tank. It is formulated to treat external parasites, marine velvet, dinoflagellates, gill flukes, clownfish disease, bacterial infections, and tail and fin rot, while helping stop secondary infections before they take hold. Rally Pro is reef and invertebrate safe and contains no copper, so you can treat fish without harming corals, shrimp, snails, or your biological filter. Browse the rest of our fish treatments to keep your hospital and quarantine tanks ready. Reef and invertebrate safe, copper free. Treat your display tank directly without breaking it down, and stay safe for corals, inverts, and scaleless fish. Features Broad-spectrum treatment for both freshwater and marine fish Targets external parasites, marine velvet, dinoflagellates, gill flukes, and clownfish disease Helps clear bacterial infections, tail rot, and fin rot, and limits secondary infections Reef and invertebrate safe with no copper, so it can be used in the display tank Safe for scaleless fish Concentrated formula; dose according to the label directions Specifications Use Freshwater and marine fish Treats External parasites, velvet, dinoflagellates, flukes, clownfish disease, bacterial, fin and tail rot Active ingredients Acriflavine and aminoacridine Reef safe Yes, copper free and invertebrate safe Sizes 8 oz, 16 oz, 32 oz Brand Ruby Reef Recommended Pairings Hikari PraziPro adds praziquantel for gill flukes and internal worms Polyp Lab Medic for reef-safe marine ich and velvet support Fritz PraziCleanse for praziquantel dosing More fish treatments FAQ Is Rally Pro reef safe? Yes. The manufacturer states it is safe for corals, invertebrates, and scaleless fish, and it contains no copper, so it can be dosed in the display tank. What does it treat? External parasites, marine velvet, dinoflagellates, gill flukes, clownfish disease, bacterial infections, and tail and fin rot. Can I use it in freshwater? Yes. Rally Pro is formulated for both freshwater and marine aquariums. How do I dose it? Follow the directions on the label for your tank volume. The formula is concentrated, so measure carefully.