Water Depth Sampler, Used To Collect Water Samples From Any Desired Lake Depth., Each

Details:

Raise samples to the surface, and make on-site measurements of dissolved oxygen, ph, temperature, or conductivity using vernier sensors (sold separately) and a vernier interface (sold separately) or take some samples back to the school for testing unique trigger mechanism requires only one line to raise, lower and seal the 1.5L chamber50-foot nylon drop cord is included