Nutrafin Aqua Plus Tap Water Conditioner makes tap water safe for fish. It protects scales and fins neutralizes chlorine chloramines and undesirable metals. Nutrafin Aqua Plus Tap Water Conditioner features a patented stress-relief function with the inclusion of pure herbal extracts which is also effective at preventing inflammation and potential of undesirable conditions that can arise from scrapes torn fins and abrasions. Pure herbal extracts visibly reduce stress attributed to transportation handling and acclimatization. Nutrafin Aqua Plus Tap Water Conditioner also coats scales and fins to protect against scrapes and cuts. This is a complete tap water conditioner that will improve aquatic environments for tropical fish.