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SODIAL(R) Aquarium Glass Float Hydrometer With Thermometer Salt Marine 20cm
Product Description
Material:Glass
For Salt Water / Marine Aquariums
Easy to use
Size:20cm/7.87""
Quantity: 1 Pc
Package includes:
1 Pc x Aquarium Glass Float Hydrometer With Thermometer Salt Marine"
Note:Light shooting and differnent displays may cause the color of the item in the picture a little different from the real thing.The measurement allowed error is 1-3 cm.

• Measure both Temperature and Specific Gravity of the water
• Green indicators are ideal range of water temperature and specific gravity for most salt water / marine aquariums
• Instruction:Place the hydrometer into water, and let it flow freely in the water
• If water level below the green indicator means more fresh water is required
• If water level above the green indicator means more salt water is required