D-Klor - Fresh Water Revolutionary Natural Water Conditioner Acts as a source of Vitamin C for fish Formulated with slime enhancing Aloe Vera Safe for aquaponic systems Ideal for live planted tanks Safe for ecosystems where fish and plants coexist. Will not harm biological filters Chemical-Free Safe when used as directed. Active ingredient Vitamin C actually benefits fish. Instant D-Klor is a natural dechlorinator formulated using sodium ascorbate which is a natural source of Vitamin C. D-Klor's Vitamin C is beneficial to fish, invertebrates and live aquarium plants. Instant D-Klor's aloe vera helps to enhance the fish's natural protective surface slime coating. Removes chlorine and breaks the chlorine/ammonia bond in chloramines used to sanitize public water supplies. Ingredients: A proprietary blend of Vitamin C, Aloe Vera and preservatives.