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