Pool, Spa & Water Treatment Chemistry worked example
Liquid Chlorine Dose with pool volume basis of 5 10k gal: a worked example
Push pool volume basis up to 5 10k gal and the picture changes. This example computes every intermediate figure at that operating point. Use it to size a sanitizer adjustment before adding sodium hypochlorite to a pool or spa.
The inputs for this scenario
- Pool volume basis: 5 10k gal (raised for this scenario; the documented default is 2)
- Target free-chlorine increase: 3 ppm (unchanged)
- Dose reference factor: 12.8 fl oz per 10k gal per ppm (unchanged)
- Chlorine strength ratio: 1 x (unchanged)
Working through the calculation
- Applying the documented formula (Liquid chlorine dose = pool volume basis x ppm increase x dose reference factor x chlorine strength ratio) to the inputs above produces each figure below.
- At this operating point the engine returns 192 fl oz for liquid chlorine dose, the number this scenario is built around.
- At this operating point the engine returns 192 value for base product.
- At this operating point the engine returns 1 x for multiplier.
- At this operating point the engine returns 15 value for factor a x b.
How this compares with the baseline
- Against the tool's baseline example, where pool volume basis sits at 2 10k gal and the headline result is 76.8 fl oz, this scenario comes in 150% above the baseline at 192 fl oz.
- It computes the fluid ounces of liquid chlorine needed to raise free chlorine by a set ppm across your pool volume, corrected for product strength. The value of this scenario is the size of the gap it exposes: that gap, priced out over a year, is the budget you can justify spending to close it.
Results at a glance
- Liquid chlorine dose: 192 fl oz (headline result)
- Base product: 192 value
- Multiplier: 1 x
- Factor A x B: 15 value
Run it with your numbers
- Every input above is editable in the live Liquid Chlorine Dose calculator, which recalculates instantly and can be shared with the inputs intact.
Last reviewed 2026-05-12.