Step 1:

Switch off the pump and remove the plug from the wall socket

Step 2:

Unscrew the filter housing from the spa tub and use the plugs provided to cover the inlet and outlet to prevent draining

Step 3:

Remove the four screws from the transparent cover using a crosshead screwdriver and take it off (See figure 1 and 2)

Step 4:

Unplug the electrolytic cell. Unscrew the nut of the electrolytic cell anti-clockwise using the supplied tool (See figure 3 and 4)

Step 5:

Remove the electrolytic cell and place it in a container and pour in cleaning vinegar until the electrode is submerged

Step 6:

Place the titanium electrode in a container and pour cleaning vinegar until the titanium electrode is submerged. Let the plates soak for at least 1 hour. For severe deposits, an overnight soak is recommended. Rinse the electrode under the tap or with a garden hose. (See figure 5 and 6)

Step 7:

Follow the above steps in reverse order to replace the electrolytic cell.