- Removes fine particles that backwashing fails to remove
- Improves filter efficiency and water flow
- Easy to use, simply dissolve in water
- No measuring necessary, when you have added enough product, the solution will be red
- Great for Cartridge filters and Sand filters
- 2lbs granular formula
Filter Free removes rust, scale. oil and fine particles from the filter that backwashing fails to remove. Simply mix with lukewarm water. You can tell that is working by the distinct color changes. For effective cleaning, the solution is red: if you have an insufficient amount of Filter Free dissolved in the water, the solution will be a yellowed orange.
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