AquaScreen Drinking Water Test Kit - Includes 2 Droppers, 2 Tubes, 2 Sets of Tests ? SAFETY FIRST - Drinking unclean water can have serious effects on your family's well-being. Keep your household safe with our lead test kit so you can take proper measures or remedies if needed! ? SENSITIVE LEAD TEST - Lead content in water poses serious risks. Our water testing kits for drinking water are 2x more sensitive than others with a lead detection limit of 3.8 parts per billion. ? TEST FOR OTHER SUBSTANCES - Our water quality tester also lets you check for other harmful elements including nitrate and nitrite. It also checks pH levels, water hardness, and chlorine content. ? EASY-TO-USE TEST KIT: Simply collect the water to be tested in the test tube using the dropper. Then, add the testing strips, wait for 10 minutes, and compare the results to the chart provided. ? DOUBLE THE VALUE - Our water testers for drinking water come in 2 sets of each test, 2 droppers, and 2 capped test tubes. Doubles your testing capabilities with twice the value of any other kit!