Sea Level Hydrometer Specific Gravity Meter Part # 1976
$6.02
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Sea Level Hydrometer Specific Gravity Meter Part # 1976 Accurate to +/- 0.001 specific Easy read two color scale with safe zone Ideal for use in warm water aquariums 68 F - 85 F Read specific gravity on inside scale and salinity in parts per thousand (ppt) on outside scale
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