Enter your current readings. The calculator will tell you exactly what to add to reach ideal levels. Amounts are approximate — always follow your product label and add chemicals slowly.
| Parameter | Ideal Range | Target | Low: Add | High: Fix |
|---|---|---|---|---|
| Bromine | 3 – 5 ppm | 4.0 ppm | Bromine granules | Let dissipate / dilute |
| pH | 7.2 – 7.8 | 7.5 | pH Up (soda ash) | pH Down (dry acid) |
| Total Alkalinity | 80 – 120 ppm | 100 ppm | Alkalinity Up (baking soda) | pH Down + aeration |
| Calcium Hardness | 150 – 250 ppm | 200 ppm | Calcium Hardness Increaser | Partial water change |
| TDS | <1500 ppm above fill | — | — | Full water change |