Cyanuric acid (stabilizer) calculator
PROCyanuric acid (stabilizer) to reach target CYA.
Short answer: oz ≈ (gal/10k) × (ΔCYA/10) × 13. 20,000 gal, +20 ppm CYA = 52 oz (3.25 lb) stabilizer. Enter your measurements above and the cyanuric acid (stabilizer) calculator returns the quantity, unit conversions and an estimated cost instantly, in imperial or metric — no sign-up needed.
What do you need to measure?
What is the answer?
Cyanuric acid
52.0 oz
Pounds
3.25
How does the cyanuric acid (stabilizer) calculator work?
oz ≈ (gal/10k) × (ΔCYA/10) × 13.
What does a worked example look like?
20,000 gal, +20 ppm CYA = 52 oz (3.25 lb) stabilizer.
What do people ask most?
›Dissolve time?
1–2 days in a sock in the skimmer, don't backwash.
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Where can you learn more?
Read field notes on estimating and materials, or browse every calculator we make.