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Aquarium Hydrometers
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Coralife Deep Six Hydrometer
Coralife Deep Six Hydrometer
Our Price: $8.50
In Stock

From Coralife. Range is 1.000 to 1.032.

Every unit is calibrated and tested for accuracy using advanced testing procedures.

With its durable construction and easy-to-read scales, the Deep Six is guaranteed to provide years of reliable performance. Designed to give temperature-corrected readings in warm water aquariums, readings can be read in ppt and specific gravity. The Deep Six is accurate to +/- 0.001 specific gravity.
Aquarium Systems Instant Ocean Hydrometer (TK-504)
Instant Ocean Hydrometer (TK-504)
Our Price: $8.69
In Stock

The Instant Ocean Hydrometer delivers precise full-range salinity and specific gravity readings--accurate to 0.001. Easy to read display and simple to operate.
More Hydrometer
More Hydrometer/Thermometer
Our Price: $4.69
In Stock

The glass "drop-in" style aquarium More Hydrometer/Thermometer is approximately 8 inches long