ORP / REDOX Electrode -Standard
Redox electrode for measuring and keeping redox values of the water.
Buy this electrode if:
You want to start measuring your Redox value in your aquarium. You can connect the electrode to your Apex computer or to a PM1 module.
You want to replace a Redox electrode. A standard Redox electrode lasts approximately 12 months.
If you want to use a 2nd Redox electrode, always buy the PM1 module with it.
You want a spare electrode on the shelf.