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.

Reefbot V2 ReefBot uses traditional reagent based method to autonomously measure the levels of the most common parameters in your tank. It currently measures Alkalinity (Alk), Calcium (Ca), Magnesium (Mg), Nitrate (NO3), Phosphate (PO4), Nitrite (No2), Ammonia (NH3), Copper (Cu) and Iodine (I2) with more parameters added regularly. Upgraded features<br...

Redox Controller&nbsp;Tunze The Redox Controller is a compilation consisting of the SmartController 7000 and the following accessories: - 7070.120 Controlled Power Socket - 7055.100 mV electrode made of glass - 7070.300 pH / mV electrode holder - 7075.150 Redox Test Solution +475 mV, 50 ml (1.67 oz.) Each in a separate package. Only...

Calibration solution 600 µS/cm For fresh water.

Buffer solution for pH 5 and 7 for all pH measuring instruments.

Buffer solution for pH 7 and 9 for all pH measuring instruments.

mV Electrode made of glass, BNC, cable length 2 m (78.7 in.), suitable to replace Redox Controller 7075.000, 7000.000 or commercially available mV measuring instruments.

pH controller (7070/2) This handy inexpensive pocket measuring instrument is supplied with a universal wall mount and electrode holder along with a long-life glass electrode, buffer solution and 9 V battery. The Auto Power Off function ensures a long life of the battery.