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Aquarium Systems Marine Gravity & Salinity Hydrometer

  • £12.99
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Aquarium Systems Instant Ocean Marine Gravity & Salinity Hydrometer

Instant Ocean Hydrometers new improved design delivers precise full-range salinity and specific gravity readings - accurate to 0.001 - every time.

Easy-fill convenience keeps hands dry when filling. It has a durable, permanent needle mount and easy-read 2-color scale with safe zone and an extra-wide stabilizer base.

Easy to read and simple to operate
Salt salinity tester
Reliable water test
Accurate & reliable to 0.001