There are interesting Black Friday deals, such as this glass hydrometer—which is useful for brewing. Hydrometers can measure sugar concentrations. Here is a lab, Solution Concentrations, with a DIY hydrometer with a pipette. It comes with a Bible Verse! Yeah! Here are instructions to make a hydrometer from a drinking straw and clay or Funtak. If you have a glass hydrometer, you can compare results between the pipette, straw, and glass hydrometer. This lab has a nice data sheet to measure the concentration of sugar in soda.
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