Angoily 2Pcs Glass Hydrometer Float for Aquarium Saltwater Specific Gravity Glass Densitometer for Accurate Concentration and Temperature Testing

Angoily 2Pcs Glass Hydrometer Float for Aquarium Saltwater Specific Gravity Glass Densitometer for Accurate Concentration and Temperature Testing

• Pram meter--it is easy to use and suitable for fish tank and aquarium,glass float meter
• Glass densitometer--made of premium glass material which can directly with water,glass float meter
• Hydrometer--it is convenient to test the specific gravity and temperature of water,glass float meter
• Glass float meter--placed in any corner of the fish tank, floating design, automatic temperature/ testing,hydrometer
• Light meter--in the aquarium, it is convenient to measure the specific gravity of the sea water and provide convenience for raising fish,glass float meter