Pool Cyanuric Acid Dose

Cyanuric acid to raise stabilizer, or -- since CYA leaves only by dilution.

Example

You enter

You get

Details, formula, and sources

The fraction and gallons of water to replace to lower it. A starting dose to add slowly and retest.

Raise: ~0.81 lb (~13 oz) cyanuric acid per 10,000 gal per 10 ppm; lower: drained fraction = 1 - target/current.

NSPF CPO Handbook / ANSI-APSP-ICC (by name).

Product labels and SDS free with the chemical; CPO course materials proprietary.

Math aid for personal verification. Stop work and consult the qualified person on site if any number does not match the field condition.

Field names used by the API: gallons, current_cya_ppm, target_cya_ppm, delta_ppm, cya_lb

Details, formula, and sources

The fraction and gallons of water to replace to lower it. A starting dose to add slowly and retest.

Raise: ~0.81 lb (~13 oz) cyanuric acid per 10,000 gal per 10 ppm; lower: drained fraction = 1 - target/current.

NSPF CPO Handbook / ANSI-APSP-ICC (by name).

Product labels and SDS free with the chemical; CPO course materials proprietary.

Math aid for personal verification. Stop work and consult the qualified person on site if any number does not match the field condition.