Canonical Dataset
🌡 Temperature Guidelines
Recommended water temperature ranges for all pool and spa types, plus effects of temperature on pool chemistry.
Source Priority
Values in this dataset are sourced in the following order (highest authority first):
- 1. government-guidance
- 2. industry-standards
- 3. manufacturer-documentation
Records (5)
| id | poolType | unit | comfortable | competitive | therapeutic | notes | maximum | recommended | children | recreational | therapy | swim | relax | effects |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| residential-pool-temp | residential-pool | °F | {"min":78,"max":84} | {"min":77,"max":82} | {"min":86,"max":92} | Most swimmers prefer 78–82°F. Higher temperatures increase chlorine demand. | — | — | — | — | — | — | — | — |
| hot-tub-temp | hot-tub | °F | — | — | — | Maximum 104°F per CPSC/PHTA safety standards. Hyperthermia risk above 104°F. Children and pregnant women: lower temperatures. | 104 | {"min":100,"max":104} | {"max":95} | — | — | — | — | — |
| commercial-pool-temp | commercial-pool | °F | — | {"min":77,"max":82} | — | Competition pools: 77–79°F per FINA guidelines. Public recreational pools: 82–84°F typical. | — | — | — | {"min":80,"max":84} | {"min":88,"max":96} | — | — | — |
| swim-spa-temp | swim-spa | °F | — | — | — | Dual-purpose swim spas may have separate temperature zones. | — | — | — | — | — | {"min":78,"max":84} | {"min":100,"max":104} | — |
| temp-chemistry-effects | all | — | — | — | — | — | — | — | — | — | — | — | — | {"effect":"chlorine-demand","description":"Chlorine demand approximately doubles for every 10°C (18°F) temperature increase."} {"effect":"lsi-scaling","description":"Higher temperatures increase LSI, shifting toward scale-forming. Monitor calcium and alkalinity in heated pools."} {"effect":"algae-growth","description":"Algae growth rate increases significantly above 85°F (29°C)."} {"effect":"co2-offgassing","description":"CO2 off-gasses more rapidly at higher temperatures, causing pH to rise."} {"effect":"chlorine-degradation","description":"Without CYA, UV + heat degrade chlorine faster in warm, sunny conditions."} {"effect":"salt-cell-output","description":"Salt cell output decreases significantly below 60°F (15°C). Below 50°F, most cells shut off automatically."} |
About This Dataset
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