Sera Sea water Hydrometer for the exact determination of salt content in sea water. Marine fish and invertebrates need a density of 1.022 - 1.024..
Actual product may vary from the image shown.
Actual product may vary from the image shown.
Overview
Sera Sea water Hydrometer for the exact determination of salt content in sea water. Marine fish and invertebrates need a density of 1.022 - 1.024.
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Rain V. at 26.03.2024:
Small and good hydrometer...safe storage box
M. at 30.06.2023:
