Cartesian Diver Only - 4 cm WL 1040, Ideal for Showing Archimedes Principle, with a hollow glass diver, shaped like a diver, with a 10in x 1 1/2in glass cylinder, a rubber sheet and rubber band, Fill the cylinder with water, drop in the diver it floats
Water Analysis PCR Kit, Includes: PCR Reaction Components - 2X PCR Master Mix 300ul, Positive Control water 30uL, Negative Control water 30uL, Gel Electrophoresis Components- DNA Ladder 30uL. To test water samples through PCR and detect the presence of bacterial contaminates.