THETFORD AQUA KEM GREEN CONCENTRATE 0.75 L liquid for tourist toiletsThetford Aqua Kem Green liquid concentrate with a capacity of 750 ml is used in the waste tank (lower tank). Thetford Aqua Kem Green Concentrate 750 ml facilitates emptying the lower tank of the tourist toilet by accelerating the decomposition of the contents of the lower tank. Additionally, it prevents the accumulation of gases. 750 ml Thetford Aqua Kem Green Concentrate = 1.5 l of Thetford Aqua Kem Blue liquid