Plank Tow Net 8in Standard 153 Mu, Ideal for horizontal or vertical tows in fresh or salt water. 125 ml polyethylene bottle and connector with hose, clear lakes, Small tow net is 200 x 750mm (8 x 30), lines attach
0.3% accuracy. Measures conductivity, resistivity, dissolved solids. Selectable ranges. Readings internally referenced to standard of 25[degree]C. With RS-232 output, jack, probe. NIST traceable. Measures reagent-grade water for ASTM and more.
CO2 To the Rescue Lab Activity kit, to invent a small device that could rescue a cell phone that accidentally falls into water, Students conduct a pair of chemical reactions to determine which of two acids react with baking soda to produce the most CO2 gas
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