Description: This water quality test box adopts harmless analytical reagents, which is safe to use. This water quality test box adopts high-purity analytical reagents, which can enhance the stability of test reagents and the accuracy of test results. Made of platsic and liquid, this water quality test box is eco-friendly and durable to use. The length of the box is 15.5cm, width is 7.5cm and thickness is 3cm. This water quality test box is suitable for swimming pool, lake, aquariumm pond and so on. Item Name: Water Quality Test Kit Material: Plastic,Liquid Features: Precise, High Purity, Portable Size Details: 15.5cm x 7.5cm x 3cm/6.1" x 2.95" x 1.18" (Approx.) Notes: Due to the light and the screen setting difference, the item's color may slightly differs from the pictures. Please allow slight dimension difference due to the manual measurement. Package Includes: 1 x Colorimeter 1x 10ml pH reagent 1 x 10ml Residual Chlorine Reagent 1 x Instruction Manual 1 x Box