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HIGHLY CONCENTRATED FOR EXTRA CLEANING STRENGTH! CHANGES COLOR WHEN FILTER IS CLEAN.
- Compare to GLB® and Filter Cleanse®.
- Powerful formula dissolves scale, rust, hair and oils from D.E. grids, sand beds and spa cartridge filters.
- Prevents caked sand beds and water channeling.
- Easy three-step process makes cleaning your filter a snap! Pre-mix Granular Filter Cleaner with warm water, soak filter for 24 hours, then rinse thoroughly!
- Clean your filter each spring and fall to ensure sparkling clear water!
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