WaterMark Alpha Water Samplers Horizontal Acrylic ²⁵ Optional:Kit Available in a gridded model

Available in a gridded model to facilitate counting and density estimation

fatigue resistant spring

Evolution's Rainbow concludes with bold recommendations for improving education in biology

1x Mechanical Caliper Mantax Black with Gator Eyes

Typically several soundfiles per species are included

WaterMark Alpha Water Samplers Horizontal Acrylic ²⁵ Optional:Kit Available in a gridded modelSpecifically designed for thin layer stratification and near bottom studies. Collects water samples at any depth. Messenger activated release mechanism closes a single sampler on the end of line. Constructed from clear polycarbonate, polyethylene and silicone, this bottle is EPA approved for ultra clean analysis of water, including trace metals and organics. Unit includes: horizontal water bottle, 20. 0m nylon cord, line reel, 250g solid bronze