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How To Use A Hydrometer with US Sailing's Reach Initiative

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34,453 مناظر· 11/01/18

ussailingmedia (@ussailingmedia)
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Join US Sailing Reach Instructor Trainer Mary to learn how to use a hydrometer to measure salinity. Do the salinity levels vary at your sailing center? If so, what impact does that have on the marine life in your waters?

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