VICASKY 2Pcs Aquarium Glass Floating Hydrometer for Accurate Salt Water Measurement for Fish Tank Testing Convenient and Reliable Water Density

Fish tank pond water saltwater:placed in any corner of the fish tank, floating design, automatic temperature/ testing,fish tank aquarium

Hydrometer saltwater aquarium:it is convenient to test the specific gravity and temperature of water,saltwater glass hydrometer

Hydrometer aquarium saltwater:made of glass material which can directly with water,marine aquarium

Aquarium tank:it is easy to use and suitable for fish tank and aquarium,fish tank

Hydrometers for salt water tanks:in the aquarium, it is convenient to measure the specific gravity of the sea water and provide convenience for raising fish,saltwater tank