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Aquatopia Marine Hydrometer

AQ83802

4 in stock

The Aquatopia Marine Hydrometer ia a pre-calibrated, wide-range specific gravity meter. It is self-levelling. Your hands stay dry. The Marine Hydrometer takes a true water sample at 15cm depth, thus avoiding inaccurate surface samples. It is easy to read and accurate to approximately +/- 0.0001 specific gravity units.