Cleaning solution for pH, mV and conductivity electrodes.

CO2 valve set including non-return valve 7070.010 and a 5 m (196.8 in.) hose 7072.300.

pH electrode Tunze in glass Made of glass, BNC, cable length 2m (78.7 in.), suitable for units 7070 or 7070/2 or for commercially available measuring instruments.

pH electrode Tunze plastic Made of plastic, BNC, cable length 2m (78.7 in.), suitable for units 7070 or 7070/2 or for commercially available measuring instruments.

SeaTest densimeter SeaTest densitometer, description and features: Densitometer The SeaTest densitometer is an easy-to-use scientific instrument for measuring both the specific weight and density of tropical marine aquarium water. It is specially designed to accurately measure specific gravity from 1,000 to 1,030...