MERRYHAPY 2Pcs Aquarium Hydrometer Salinity Meter for Saltwater Fish Tanks, Sea Water Density Tester with Accurate Salinity Measurement, Aquarium Accessories for Marine and Freshwater Use
$12.79
Features
Saltwater hydrometer:applied to fish tank, swimming pool, aquaculture, water laboratories, etc,water salimeter
Sea hydrometer:easy to use and read, and perfect for testing your fish tank water,hydrometer
Salt water gravimeter:it can be mixed directly with water, convenient and easy to use,saltwater measuring instrument
Saltwater tester:it is manufactured with professional technology to ensure the of the product and can work for a long time,aquarium hydrometers
Hydrometers:manufactured with , practical and durable for a long term use,aquarium supplies
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