Save up to 50% off Your Order This End Of Season Sale!
Plus, Free Ground Shipping! Some exclusions and freight charges may apply.
Plus, Free Ground Shipping! Some exclusions and freight charges may apply.
PoolSupplyWorld offers a complete selection of Pool Shock: Cal-Hypo, Di-Chlor and Oxidizing Chlorine-Free, all designed to eliminate contaminants in your pool.
Calcium Hypochlorite (Cal-Hypo) is fast dissolving and extra strength to super chlorinate your pool water back to safe levels. Dichloro-S-Triazinetrione (Di-Chlor) is also fast dissolving and stabilized against powerful UV rays. Potassium Monopersulfate (Chlorine-Free) is a great choice for indoor pools and spas, and also compatible with bromine sanitizers
We offer a variety of swimming pool shock types in multi-packs, buckets, and bundled kits that you're sure to love! Keep your pool healthy, fresh, and sparkling with these hard-working sanitizers.
Chlorine Free
Multi-Pack Bags
- Great for Hot Tubs
- Works with Bromine
6, 12, and 24 Packs
Di-Chlor
Multi-Pack Bags
- 56% Available Chlorine
- Fast Dissolving
9, 18, and 27 Packs
Cal-Hypo
Multi-Pack Bags
- 70% Active Chlorine
- Extra-Strength
6, 9, 18, and 27 Packs
Di-Chlor
Easy-Use Buckets
- 56% Available Chlorine
- No-Clouding
25 and 50 lb Buckets
Cal-Hypo
Zappit Buckets
- 70% Available Chlorine
- Strongest Available
50 and 100 lb Buckets
Comparing Pool Shock Types
| Chlor-Free Shock | Di-Chlor Shock | Cal-Hypo Shock | |
|---|---|---|---|
| Best for: | Indoor Pools & Spas | Salt Pools & Liquid Chlorine Pools | Tablet-Chlorine Pools |
| Treats Algae | |||
| Removes Organic Pollutants | |||
| Requires Pre-Mixing | - | ||
| Includes CYA | - | - | |
| pH Nuetral | - | - | |
| Raises Calcium Hardness | - | - | |
| Bromine Compatible | - | - |