D-D Refractometer for Seawater neptunian tank The new protien skimmers also

The new protien skimmers also include minimum and maximum adjustment level marks on the outlet pipework for easy set up

By introducing the HYDRA 64HD

Micro and trace elements in a ratio that optimises coral growth in a high pH environment

52mm orange filter lens

D-D Refractometer for Seawater neptunian tank The new protien skimmers alsoA 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.