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By introducing the HYDRA 64HD
offers high power whilst following in the family’s footsteps for energy efficiency
The Blade Refugium is a macroalgae growing machine
and other photosynthetic animals
Barium (Ba)
D-D Refractometer for Seawater neptunian tank By introducing the HYDRA 64HDA refractometer is a simple and robust way of accurately measuring the salinity within your tank and should be used by every serious marine aquarist. This refractometer unlike some cheaper alternatives is specifically calibrated and designed for seawater testing so is ideal for your marine tank.
US$ 34.00
US$ 34.00
US$ 20.00
