Make tap water safe for your goldfish.Remove toxins and chlorine from tap water for happier healthier fish while adding vital good bacteria to help balance your water quality. Advanced formula for full aquarium health Adds beneficial bacteria to help maintain a healthy balance in your aquarium Adds protective aloe vera to help care for your fish. It's a fact of life that untreated tap water can be dangerous for aquatic life. Chlorine and heavy metals create a hostile environment which can make your fish unwell. Bioactive Tapsafe removes these nasties from your tap water. It also adds soothing aloe vera to help protect and heal fish skin and gills and beneficial bacteria to help maintain a healthy balance in your aquarium. The resultJ Perky happy fish full of vigour. Use to treat fresh tap water before you add it to your aquarium. For instance when setting up a new aquarium doing a water change topping up your aquarium or when adding new fish.