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Filter Free - Filter Cleaner - 1 Kg
C$18.29
- Product Code: CHEM - FILTER FREE
- Availability: 19
Filter Free - Filter Cleaner - 1 Kg
Filter cleaner with pH colour indicator.
Restore your filters. Don’t replace them.
Filter Free removes rust, scale, oil, and fine particles from the filter that back-washing fails to remove. You can tell it is working by the distinct color changes. For effective cleaning and scale removal, the solution is red; if you have insufficient amount dissolved in the water, the solution will be a yellowed orange.
Over time, body oils, calcium, and metal deposits clog filter fabric, reducing efficiency and forcing early replacement. Filter Free dissolves these stubborn contaminants, extending the life of your cartridges and helping your spa or pool perform at its best.
Size: 1 Kg (2.2 Lbs)

Color-Change pH Indicator Technology
No guesswork. No wasted product.
Filter Free includes a built-in color-changing pH indicator that shows when your cleaning solution is at the correct strength:
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RED – Ideal cleaning strength. The solution is active and ready to remove scale and grime.
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YELLOW / ORANGE – Solution is too weak. Add more powder until the water turns red.
This ensures consistent results every time.
Key Features & Benefits
- Tri-Action Cleaning Power
Removes rust, calcium scale, and body oils/grease in one soak. - Visual Dosage Control
Color-changing water confirms the correct acid balance for effective cleaning. - Cost-Effective Concentrate
1 Kg (2.2 lbs) provides multiple cleaning treatments, saving money on filter replacements. - Universal Compatibility
Safe for all hot tub and pool cartridge filters, including paper and synthetic media.
How to Use
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Fill a clean plastic pail with warm water.
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Add Filter Free powder until the water turns RED.
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Fully submerge filter cartridges and soak (typically overnight or as directed on the label).
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Rinse thoroughly with fresh water before reinstalling.
Safety & Handling Information
Important: Filter Free is a professional-grade acidic cleaner. Handle with care.
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Protective Gear: Always wear rubber gloves and safety goggles when mixing or handling.
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Do Not Mix: Never combine with chlorine, bromine, shock, or other spa chemicals. Use a dedicated plastic pail only.
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Ventilation: Use in a well-ventilated area, preferably outdoors or in an open garage.
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Storage: Keep tightly sealed in a cool, dry place. Store away from children and pets.
First Aid Measures
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Eye Contact: Rinse with fresh water for at least 15 minutes and seek medical attention.
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Skin Contact: Wash thoroughly with soap and water.
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Ingestion: Do not induce vomiting. Drink plenty of water and contact a physician or Poison Control immediately.
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