In The Swim – Granular Filter Cleaner 2 Lbs

In The Swim Granular Filter Cleaner 2 lbs features a powerful formula dissolving scale, rust, hair and oils from D.E. grids, sand beds and spa cartridge filters.

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 10-12 hours, then rinse thoroughly!
• Clean your filter each spring and fall to ensure sparkling clear water!