Tetra AquaSafe is a 50ml water conditioner that makes tap water safe for aquarium fish. This essential treatment neutralizes harmful substances, supports fish health, and maintains water clarity in both freshwater and marine aquariums. Key features: • Neutralizes chlorine, chloramine and heavy metals • Supports protective mucus layers in fish • Creates clear water conditions • Suitable for freshwater and marine aquariums • New improved formula • 50ml bottle size AquaSafe should be added when setting up a new aquarium or during water changes to instantly make tap water safe for fish. The formula helps protect fish's sensitive gills and scales while promoting a healthy aquarium environment. Use according to package instructions based on aquarium size. Store at room temperature away from direct sunlight.