- Tests for: 2 important chemistries, Total & Free Chlorine, so you know when to shock.
- ShockChek™ is the fast, easy way to determine if you need to shock (or super chlorinate) your pool or spa.
- Just dip a strip and compare to color chart which indicates a simple “Shock” or “Okay” result.
- Shocking is a necessary maintenance step that keeps the water clear of harmful contaminants that can cause irritation and spread water-borne illnesses.
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