Smart Stir AutoAqua Smart Stir is a handy gadget to help the aquarist perform accurate water analyzes. Water testing is important to ensure the success of a home aquarium. For accurate testing, most liquid test kits require the water sample to be mixed or stirred after adding a reagent. In some cases, you need to add one drop of reagent at a time,...

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.