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Aquarium Systems Seatest Hydrometer http://www.swelluk.com/img/shop/full/Marine-Hydrometers-and-Test-Kits-Underworld-Instant-Hydrometer.jpg Underworld Seatest Hydrometer is available from Swell UK. This full range specific gravity meter is now even easier to use. It is a scientific instrument that measures the salinity and specific gravity of tropical seawater aquariums. Accurate to 0.001 SG.

Aquarium Systems Seatest Hydrometer

Aquarium Systems Seatest Hydrometer
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Underworld Seatest Hydrometer is available from Swell UK. This full range specific gravity meter is now even easier to use. It is a scientific instrument that measures the salinity and specific gravity of tropical seawater aquariums. Accurate to... more
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Hydrometer ZTK505U £7.99
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Aquarium Systems Hydrometer
code: ZTK505U
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£12.49 £7.99

Underworld Seatest Hydrometer is available from Swell UK.

This full range specific gravity meter is now even easier to use.

It is a scientific instrument that measures the salinity and specific gravity of tropical seawater aquariums.

Accurate to 0.001 SG.

Product Specification
Notes
Hydrometer Accurate to 0.001 SG
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