LaMotte code 0688. This 2-oz LaMotte Plastic Bottle is used in many of the LaMotte water quality test kits, including: LaMotte Dissolved Oxygen - Study Oxygen in Water (item #652565); LaMotte Dissolved Oxygen Kit (item #652865); Earth Force water quality monitoring kits: Earth Force Low-Cost Water Quality Monitoring Kit (item #652567), Earth Force Low-Cost Estuary Kit (item #652569), and Earth Force Standard Water Monitoring Kit (item #652568); LaMotte AM-12 TesTab Water Investigation Kit (item #181400), LaMotte Pondwater Tour Kit (item #652415), LaMotte Deluxe Water Quality Education Outfit (item #652450), LaMotte Saltwater Aquaculture Test Kit (item #652520), and LaMotte Freshwater Aquaculture Test Kit (item #652435). Bring the laboratory to the field with LaMotte water test kits, which provide: * A higher degree of analytical sensitivity than other field methods. * Test methods that are easy to use and reproduce. * Confidence in accurate test results.