Turbidity Tube with Secchi Disc, 60cm Scale Chemical_Rheoscopic Fluid AP Biology investigation #4 explores AP Biology investigation #4 explores diffusion and osmosis through cell membrane studies Built in digital temperature display and Pt100 platinum resistance sensor on this 1000 mL digital heating mantle rated at 350 watts Hoffman clip this turbidity tube gauges water clarity by the depth at which the disc pattern reappears from above
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Turbidity Tube with Secchi Disc, 60cm Scale Chemical_Rheoscopic Fluid AP Biology investigation #4 explores