COMPARISON
Pool and spa treatments compared by swim-check time
8 products in our catalog state a time for the earliest swim check, from 15 minutes (BioGuard Oxysheen) to 8 hours (HTH Pool Care Shock Ultra). The median is 15 minutes. The table shows the 8 shortest, built only from numeric times in manufacturer documents.
Comparison table
| Product | Manufacturer-stated minimum | Condition/source |
|---|---|---|
| BioGuard Oxysheen Non-chlorine shock | 15 minutes | Use only as directed; the current package directions control. |
| BioGuard Shock Complete Fast-dissolving shock | 15 minutes | Use only as directed; the current package directions control. |
| BioGuard Smart Shock Multi-purpose shock | 15 minutes | Use only as directed; the current package directions control. |
| Clorox Pool&Spa Shock Clear Clarifying shock | 15 minutes | Use only as directed; the current package directions control. |
| Clorox Pool&Spa Shock Plus Fast-dissolving shock | 15 minutes | Use only as directed; the current package directions control. |
| HTH Pool Care Shock Weekly shock | 8 hours | Use only as directed; the current package directions control. |
| HTH Pool Care Shock Advanced Cal-hypo shock | 8 hours | Use only as directed; the current package directions control. |
| HTH Pool Care Shock Ultra Multi-benefit shock | 8 hours | Use only as directed; the current package directions control. |
Quick answers
Which has the shortest stated time for the earliest swim check?
Among the 8 products in our catalog with a numeric milestone for the earliest swim check, the shortest is BioGuard Oxysheen at 15 minutes.
How wide is the range for the earliest swim check?
Stated times run from 15 minutes to 8 hours, with a median of 15 minutes across 3 manufacturers.
What can change the order?
Temperature, humidity, thickness, airflow, surface preparation and what the manufacturer means by this milestone can all change which product is right. We keep the manufacturer wording on each product page so you can check before relying on a number.