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Aquarium Equip UP Glass Saltwater Hydrometer – Reef Soft Coral Salinity Marine Fish Shrimp sea

$12.99
Make sure this fits by entering your model number. 1. Easy to use 2. Green indicators are ideal range of water temperature and specific gravity for most salt water / marine aquariums 3. Hydrometer measures specific gravity 4. Need it for raising brine shrimp