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52mm orange filter lens
there is little waste
Micro and trace elements in a ratio that optimises coral growth in a high pH environment
Barium (Ba)
Features and Benefits
D-D Refractometer for Seawater neptunian tank 52mm orange filter lensA 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$ 20.00
US$ 280.48
US$ 1080.00
