As your portable toilet is housing human waste, it's essential that you keep it clean and reduce odours, so you can travel comfortably. Thetfords Aqua Kem Rinse Concentrate Additive is the perfect product for this. The new concentrated formula significantly improves hygiene and odour control, helping to eliminate unpleasant smells. The lavender-scented fluid provides a pleasant fragrance with each flush and helps to keep your flush water clean. By leaving a protective layer the Rinse prevents a build-up of deposits, giving a smoother and more effective flush. As this concentrated product will take up less room in your caravan or trailer, so it's a valuable space saver. Due to the high quality of this product, its no wonder Aqua Kem Rinse is the worlds best-selling toilet fluid.