Observed arrival · 2026-10-31
SplashSense turns pool readings into chemical amounts
Free calculators use pool or hot-tub size and water-test results to estimate how much pool chemical to add.
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$Paid
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●Pro
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- For
- Pool and hot-tub owners balancing water chemistry
- Worth noticing
- The site says each calculator shows its math and cites at least two published references, including manufacturer data and university extension guides.
Field notes
Coverage extends beyond chlorine to shock, salt, pH, total alkalinity and stabilizer, including a drain-water calculation when stabilizer is too high. Pool-volume options cover rectangle, round, oval and kidney shapes. The site also offers a weekly water-test log and opening and closing checklists; it says its formulas are checked against at least two published sources and that each calculator lists its math and references.
Observed signals
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Editorial observations of this landing page, not a rating.
○OpenPublic substance visible
✦PrettyNotable craft visible
●ProPolished or operationally mature
◎NicheUnusually specific use
ƒJavaScriptBrowser-side code central
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