Raise stabiliser
Into 21,100 gal of water, add
3.59lb 1.63kgHASA Pool Conditioner — cyanuric acid, 98.0%. Stabiliser from 20 ppm to 40 ppm.
Your pool
The answer, the drawings, every reading and every table on this page are worked for the values in these fields, and worked again as you type. The questions further down are answered for the example this page was published with.
Every product that does this
| Product | Add | Also moves |
|---|---|---|
| HASA Pool Conditioner cyanuric acid 98.0% |
3.59 lb 1.63 kg |
nothing else measured |
The manufacturer's own dose sentence reads: 5 lbs per 20,000 gallons provides 30 ppm. The figures above are computed from the product's strength.
In steps, if you would rather
| To reach | Add | Total added |
|---|---|---|
| 24 ppm | 11.5 oz | 11.5 oz |
| 28 ppm | 11.5 oz | 1.44 lb |
| 32 ppm | 11.5 oz | 2.15 lb |
| 36 ppm | 11.5 oz | 2.87 lb |
| 40 ppm | 11.5 oz | 3.59 lb |
Where the band comes from
| Source | Range |
|---|---|
| Florida 64E-9.004 (1)(d)4 conventional pool |
up to 100 ppm |
| Florida 64E-9.004 (1)(d)4 spa or hot tub |
up to 40 ppm |
Pool and spa rules are adopted and amended state by state, and most of the ranges here are written for public pools. Confirm every figure against the code your jurisdiction has adopted and against your own product label.
Other adjustments
- raise Raise salt
- lower pH, and how to lower it
- raise Raise total alkalinity
- raise pH, and how to raise it
- raise Raise free chlorine
- shock Free chlorine, and how to shock it
- lower Total alkalinity, and how to lower it
- raise How to raise Calcium hardness
Updated September 2026
Sources and dates
Ranges are quoted from the code named beside them, product strengths from the manufacturer's own product page, each retrieved on the date shown.
- Florida 64E-9.004 (1)(d)4 · http://flrules.elaws.us/fac/64e-9.004 · 2026-09-17
- HASA · https://hasa.com/pool-chemical-calculator · 2026-09-17
- HASA Pool Conditioner · https://hasa.com/product/pool-conditioner · 2026-09-17