Reef Evolution First Defense from Aquarium Systems can be added to the fish bag when acclimatizing a new fish, or used as a fish/coral sanitizer.
Dosage: 15ml per 100L once a month
AQUARIUM SYSTEMS - First Defense Fresh - 250ml - Stimulant for fish
Changing a fish's environment causes stress that strips it of essential nutrients and can weaken its immune system. First Defense is scientifically designed to relieve stress and aid the immune system , so fish can better withstand bagging and travel from the store to your aquarium, water changes, new fish arrivals, sanitary treatments, as well as other environmental changes.