Oakton pHTestr® 5 Waterproof Pocket Tester Field-Flex Notebooks Integrated 5 lb lead weight
Baker’s notes & crumb story
Description
Oakton pHTestr® 5 Waterproof Pocket Tester Field Flex Notebooks Integrated 5 lb lead weight Integrated 5 lb lead weight ensures the disk descends vertically with minimal drift resulting in accurate data collection every time with this DO meter