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Instant Ocean Full Range Hydrometer

Instant Ocean Hydrometer is an improved design of its preceding model #TK502. It delivers precise full-range salinity and specific gravity readings - accurate to 0.001 every time. Test aquarium salt levels and specific gravity.

Model No: TK-504/TK-502 - In Stock

Discounts Available!

INSTANT OCEAN

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Instant Ocean Full Range Hydrometer

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