Basic pH and CL test kit (15 ml) ชนิดน้ำ (Update 18/05/2025)
Pool water quality test kit - Essential tool for monitoring swimming pool water quality. Easy to use with accurate color-changing results for instant reading.
For holding pool water samples. One tube for chlorine test, one for pH test.
For measuring Free Chlorine. Produces pink-red color when dissolved in water.
For measuring pH levels. Produces orange-red-purple colors.
Inside the box for accurate reading of chlorine and pH values.
| Model | Description |
|---|---|
| ST-WI-31405 | 2-parameter water quality test kit (Chlorine + pH) |
| Color Observed | Chlorine (ppm) | Recommendation |
|---|---|---|
| No color or very light pink | < 0.5 | Too low - water not clean enough Add chlorine |
| Light pink Dark pink | 1.0 1.5 | Ideal - Safe water conditions |
| Dark red | > 3.0 | ️ Too high - may irritate skin/eyes Reduce chlorine |
| Color Observed | pH | Recommendation |
|---|---|---|
| Yellow | < 7.0 | Acidic - eye irritation, equipment corrosion Increase pH |
| Orange-red Red | 7.2 7.6 | Perfect - Optimal chlorine efficiency & safety |
| Purple | > 7.8 | ️ Alkaline - reduced chlorine efficiency Decrease pH |