15x125mm Glass Test Tubes - 100PC Pack soil and water testing kit Take a leaf of the

Take a leaf of the indicator paper

Reference point: horizontal plane

Power supply: 2 AA batteries (not included)

glass slide box

15x125mm Glass Test Tubes - 100PC Pack soil and water testing kit Take a leaf of theDiscover the Versatility of 15x125mm Glass Test Tubes Introducing our premium 15x125mm glass test tubesa must have for laboratories, educational institutions, and DIY enthusiasts alike. This 100PC pack of glass test tubes is designed to cater to a variety of needs, from scientific experiments to home projects. Quality meets functionality with these durable glass test tubes, ensuring you have everything you need for precise measurements and