Removes chlorine and breaks the chlorine/ammonia bond in chloramines.¬†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.