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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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Reviews for Sera Sea water Hydrometer:
Write a reviewRain V. at 26.03.2024:
Small and good hydrometer...safe storage boxM. at 30.06.2023:
- Rain V. wrote about Sera Sea water Hydrometer in March 2024:
Small and good hydrometer...safe storage box
Show all reviews (2)