Canonical Dataset
📅 Testing Frequency
Recommended testing intervals for pool and spa water chemistry parameters by pool type and usage scenario.
Source Priority
Values in this dataset are sourced in the following order (highest authority first):
- 1. industry-standards
- 2. government-guidance
Records (6)
| id | scenarioId | poolType | parameters | trigger |
|---|---|---|---|---|
| residential-pool-standard | residential-pool-standard | residential-pool | {"parameter":"free-chlorine","frequency":"twice-weekly","notes":"Test before adding chlorine. Test in morning before peak UV hours."} {"parameter":"ph","frequency":"twice-weekly","notes":"Test whenever FC is tested."} {"parameter":"combined-chlorine","frequency":"weekly","notes":"If CC > 0.5 ppm, shock immediately."} {"parameter":"total-alkalinity","frequency":"monthly","notes":"More frequent if pH is unstable."} {"parameter":"calcium-hardness","frequency":"monthly","notes":"More frequent for new plaster pools (first year)."} {"parameter":"cyanuric-acid","frequency":"monthly","notes":"Test after heavy rain. More frequent if using trichlor tablets."} {"parameter":"salt","frequency":"monthly","notes":"Salt pools only. Check after heavy rain or partial draining."} {"parameter":"temperature","frequency":"as-needed","notes":"Check before swimming season and in heat waves."} | — |
| hot-tub-standard | hot-tub-standard | hot-tub | {"parameter":"free-chlorine","frequency":"before-each-use","notes":"Minimum. Daily if used daily."} {"parameter":"bromine","frequency":"before-each-use","notes":"If bromine system. Same frequency as chlorine."} {"parameter":"ph","frequency":"before-each-use","notes":"Hot tubs have rapid pH change due to aeration."} {"parameter":"combined-chlorine","frequency":"weekly","notes":""} {"parameter":"total-alkalinity","frequency":"weekly","notes":""} {"parameter":"calcium-hardness","frequency":"monthly","notes":""} {"parameter":"tds","frequency":"monthly","notes":"High TDS (>1,500 ppm above baseline) triggers water change."} {"parameter":"temperature","frequency":"before-each-use","notes":"Safety requirement. Maximum 104°F."} | — |
| commercial-pool-standard | commercial-pool-standard | commercial-pool | {"parameter":"free-chlorine","frequency":"every-2-hours","notes":"Required by most health codes during operating hours."} {"parameter":"ph","frequency":"every-2-hours","notes":"Required during operating hours."} {"parameter":"orp","frequency":"continuous-monitoring","notes":"Automated ORP monitoring required in many jurisdictions."} {"parameter":"combined-chlorine","frequency":"daily","notes":""} {"parameter":"total-alkalinity","frequency":"weekly","notes":""} {"parameter":"calcium-hardness","frequency":"weekly","notes":""} {"parameter":"cyanuric-acid","frequency":"monthly","notes":""} {"parameter":"temperature","frequency":"every-2-hours","notes":""} | — |
| after-heavy-use | after-heavy-use | all | {"parameter":"free-chlorine","frequency":"immediately-after","notes":"FC may drop significantly after heavy bather load."} {"parameter":"ph","frequency":"immediately-after","notes":""} {"parameter":"combined-chlorine","frequency":"immediately-after","notes":"Shock if CC > 0.5 ppm."} | After pool party, rental, or heavy bather load |
| after-storm | after-storm | all | {"parameter":"free-chlorine","frequency":"immediately-after","notes":"Rain dilutes chlorine and introduces contaminants."} {"parameter":"ph","frequency":"immediately-after","notes":"Rain (naturally acidic pH ~5.6) lowers pool pH."} {"parameter":"cyanuric-acid","frequency":"after-major-rain","notes":"Heavy rainfall dilutes CYA."} {"parameter":"total-alkalinity","frequency":"after-major-rain","notes":""} | After rain, storm, or flooding |
| vacation-rental-turnover | vacation-rental-turnover | residential-pool | {"parameter":"free-chlorine","frequency":"at-each-turnover","notes":"Document result."} {"parameter":"ph","frequency":"at-each-turnover","notes":"Document result."} {"parameter":"combined-chlorine","frequency":"at-each-turnover","notes":"Shock if elevated."} {"parameter":"total-alkalinity","frequency":"weekly","notes":""} {"parameter":"calcium-hardness","frequency":"monthly","notes":""} {"parameter":"cyanuric-acid","frequency":"monthly","notes":""} | Between each guest stay |
About This Dataset
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