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Some exclusions and freight charges may apply. Shipping may be delayed 2-3 days due to high demand.
Some exclusions and freight charges may apply. Shipping may be delayed 2-3 days due to high demand.
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 | - | - |