Electrolyte for different Oxyguard Electrodes:
If you are using the Oxygen oxygen electrodes, be aware that they use different electrolytes
Handy Polaris has an anode made of zinc and for this you should use type 1 electrolyte.
Model D16 Mini DO has an anode made of lead and for this probe you should use type 2 electrolyte.
Model 420 has an anode made of iron and for this probe you should use type 3 electrolyte.
One of the Oxyguard electrolytes can be made like this – type X ??:
238 g KCl + 900 ml dist. Water + 100 ml Glycerine
If somebody know how to make the other electrolytes please tell us and we will update the info.