Discolouration Chart
Discolouration Chart
Discolouration Chart
You deserve a sparkling clean pool but if somehow you have murky green, pale blue or pinkish-red pool water it can be due to many reasons. Here is a pool discolouration chart to help you distinguish your pool water problems. You can address your symptoms to give the correct treatment.
| Discolouration in water | Colour of surface stain | |
|---|---|---|
| Copper | Dark green to emerald tint | Blue-green to black Purple in the presence of high stabiliser (>250ppm) |
| Iron | Greenish tint | Orange-reddish stain (rust) |
| Manganese | Violet due to permanganate ion | Grey to black |
| Silver | None | Grey to black |
| Cobalt | Pale blue to pinkish-red (rare) | Grey to black (fiberglass only) |