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Brian Barone
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Great selection great prices and fast delivery as always!

Andre Campbell
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Their prices are excellent, customer service also superb. The return policy is unusual, we have often been told to donate the unwanted item to a local shelter. Nice.

Louis Morales
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Excellent shopping experience. I had to call to change my order and it was seamless. The person who helped was very kind and informed about the business. Happy customer.

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Fluval Sea Hydrometer

Fluval Sea Hydrometer

Fluval Sea Hydrometer

  • Fluval Sea Hydrometer provides an accurate and convenient method of measuring specific gravity and salt level in marine aquariums.
  • Regular testing is strongly recommended as stable salinity levels are essential for the health of marine fish and invertebrates.
  • Compact and easy to use, the hydrometer can be permanently installed inside the tank for continuous readings.
  • Its slim, low-profile design camouflages well inside the tank and will not diminish the aesthetics of the aquarium. It can also be used as a portable device, allowing you to take samples simply by submerging it in the water.
  • It features large, easy-to-read markings with ideal salinity range clearly marked in green for clarity.