PhycoTech, Inc. products

The PhycoTech Sedgwick-Rafter Counting Cell with grid is an improvement on the original design using a non-corrodible ceramic rectangular frame and etched grid. The Sedgwick-Rafter Counting Cell is a standard counting cell designed for counting larger plankton on a compound microscope (up to 200x) or on an inverted microscope (higher magnifications possible).