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Marine Hydrometer
Marine fish and invertebrates need a density of 1.022 to 1.024 g/ml assuming a common temperature of 77 degrees. Sera Marine Hydrometer is German craftsmanship at its finest. You will know exactly where your marine aquarium stands - in regards to the salt level, not where it stands on the stand. You should already know that.
Ships within 48 hours · Estimated delivery Sep 6 - Sep 11
US$40
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