The trusted Thetford power in a bag! Convenient water-soluble sachets for the waste-holding tank. Thetford proudly presents new water-soluble sachets for your waste-holding tank; powerful and easy! These new sachets break down the waste in the tank, eliminate bad odours and reduce gas build-up. They are not only easy to use because they always provide the right dose, but the sachets also come in new smart packaging, which makes them easy to store and use. This way Thetford makes your holiday even more enjoyable. Aqua Kem Sachet Bag Blue