Description. Red out salt 40 lb bag. Red out salt with Iron Fighter formula can be used in most water softeners where there is a high level of iron in the water. They help reduce rust stains in you laundry and on fixtures.

What is Redout salt?

Hardi-Cube^® Red·Out^® Water Softener Salt With Iron Fighter^® Formula. Made with typical 99.8% Pure Salt. ... The Iron Fighter^® formula product contains an FDA-approved, highly effective rust remover which helps to prevent rust stains on laundry and household fixtures.

What kind of salt should I use in my water softener?

Evaporated salt is the best type of salt you can buy for your water softener, and we recommend it for any Kinetico water softening system. All of these options use sodium chloride to operate, which is the most common compound used in water softening systems.