Ardent Reel Guard Corrosion Inhibitor is a breakthrough in chemical engineering that inhibits corrosion on saltwater equipment. By dissolving sodium, potassium, and other hard-water minerals, it significantly reduces the onset of galvanic corrosion in saltwater environments. Spray Reel Guard on reels, rod guides, and marine equipment after a day on the water, and let dry. No scrubbing, no rinsing-let Reel Guard Corrosion inhibitor work for you.