Advantages of the item
We understand the needs of users and can do more for you
Kills Bacteria and Algae
90% of pool water problems within 24 hours and restore crystal clarity
| Feature | Calcium Hypochlorite (Cal-Hypo) | Sodium Dichloroisocyanurate (Dichlor) |
|---|---|---|
| Available Chlorine | 65–75% (High) | 55–60% (Medium) |
| Dissolving Speed | Slow | Fast |
| pH Effect | Raises pH (≈11–12) | Neutral (≈6–7) |
| Stabilizer (CYA) | None | Contains CYA |
| Long-Term Effect | No CYA buildup | Increases CYA over time |
| Residue | May leave white residue | Fully dissolves |
| Calcium Hardness | Increases hardness | No effect |
| Storage Stability | Very stable, long shelf life | Stable but can clump |
| Best For | Deep shock, outdoor pools | Quick shock, daily use |
| Main Advantage | Strong oxidation, CYA-free | Fast-dissolving, easy to use |
| Main Drawback | Raises pH and hardness | Adds CYA, may lower chlorine efficiency |
FAQ
Get answers to the questions that matter most.
All orders are shipped from our warehouses located in California and Texas. Our warehouse is equipped with an efficient logistics system to ensure that your orders are processed and transported quickly and accurately.
Although we haven't accumulated many reviews for our product, we have been using this pool shock consistently and have released over 90% chlorine during use, without any incidents of the swimming pool turning green.
Please rest assured that we are not a scam. Please send us an email service@pool-country.com We will provide you with a replacement or other after-sales solution.
68% Cal Hypo
High quality pool shock