D-Klor is a natural dechlorinator containing vitamin c which is benefical to fish, invertebrates and live plants. K-Klor's aloe vera enhances the fish's natural protective surface slime coating. Formulated using natural ingredients - contains no harmful chemicals. Non-Toxic to humans, pets and aquatic life. This product is not intended to be consumed directly from dispenser. Use only for intended purposes in aquaponic, hydroponic, pond and aquarium environments. Suitable for freshwater. Safe for aonics and hydroponics.