Has anyone had issues with the RedSea Reefer DC 300 sensor not calibrating? The long side calibrates but when I insert the short end into a cup of seawater I get the error of “place sensor in water” message.
I’ve tried cleaning with alcohol, scraping the terminals and sanding them with the same results. Is a new one in order?
I’ve tried cleaning with alcohol, scraping the terminals and sanding them with the same results. Is a new one in order?