Description
Premium hydrometer: suitable for swimming pools, aquacultures, aquariums, water laboratories, etc.
Aquarium hydrometer: aquarium hydrometer – widely used in sea water, aquariums, swimming pools, etc.
Aquarium hydrometer: it is lightweight, small and easy to take anywhere.
Saltwater gravimeter: lightweight and suitable size, you can even store it in a small bag.
Water salimeter: clear calibration, accurate and convenient measurement of density, practical to use.





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