Concentrated, powerful and effective degreasing liquid for the prevention of unpleasant smells inside the gray water tank. It reduces the formation of encrustations in the tank which remain perfumed for longer avoiding unpleasant odours.
Use at each emptying of the gray water tank. Add Flow Freshener Concentrated directly into the sink or shower drain and rinse with fresh water. Expected dose for a gray water tank with a capacity of 100 liters.