Description
Fast-Acting Cal Hypo Shock for Clean, Swim-Ready Water
- CYA-Free Formula: Will not contribute to chlorine lock or over-stabilization
- Fast-Dissolving Granules: Dissolves instantly — no pre-mixing or cloudy residue
- Broad Surface Compatibility: Safe for all pool surfaces, including vinyl, plaster and fiberglass
- Weekly Maintenance Hero: Regular shocking can prevent 90% of common pool water issues
- Easy-to-Use Packaging: Available in convenient single-dose bags and larger formats
Application Method
- Add 1 lb. of product per 10,000 gallons of pool water
- Distribute evenly across the deep end of the pool with the pump running
- Apply in the evening to prevent sunlight degradation
- Use weekly or after rain, heavy swimmer loads or signs of cloudy water
Dosage Instructions
- Standard Use: 1 lb. per 10,000 gallons of water, weekly
- Heavy Use or Problem Conditions: Increase dosage as needed
- Resume swimming when chlorine levels return to 1–4 ppm
- Always test water before reentry
Pool Chemical Specifications
- Available Chlorine: 68% Calcium Hypochlorite (Cal Hypo)
- Function: Chlorine shock treatment for pools
- Formula Type: Granular, fast-dissolving
- Stabilizer-Free: Will not add cyanuric acid
- Packaging: Available in pre-measured bags and bulk formats
Storage and Safety Guidelines
- Store in original container in a cool, dry location
- Keep away from other chemicals, especially acids and Trichlor tablets
- Always handle with dry hands and wear appropriate protection
- Never mix with other sanitizers — especially stabilized chlorine products
- Add chemical to water, not water to chemical
Frequently Asked Questions
A: Use weekly as part of your regular maintenance routine or after heavy bather loads, storms or algae growth to restore water clarity and chlorine levels.
Q: What makes Rapid Shock™ different from other pool shocks?
A: It contains 68% Cal Hypo and dissolves quickly without residue. Plus, it’s CYA-free — making it ideal for pools that need consistent, clear chlorination without stabilizer overload.
Q: Can I use this in my saltwater pool?
A: Yes. It’s a great supplement to saltwater systems when extra sanitization is needed.
Q: Do I need to pre-dissolve this shock before adding?
A: No. It dissolves quickly and completely when broadcast directly into pool water.
Q: Will Rapid Shock™ raise my pool’s pH or calcium hardness?
A: As a Cal Hypo product, it may slightly increase calcium levels over time, but it won’t significantly affect your pool’s pH when used as directed. Regular testing and balancing are recommended.
Q: Can I use this in an above-ground pool?
A: Yes! Poolife™ Rapid Shock™ is safe and effective for both in-ground and above-ground pools of all surface types.
Q: How soon will I see results after adding Rapid Shock™?
A: Most pools begin to show improved clarity within a few hours. Run the pump continuously and brush walls if needed to accelerate cleanup.
Q: Is this product safe to use with cartridge filters?
A: Yes. The fast-dissolving, residue-free formula won’t clog or damage cartridge filters when applied as directed.
