Stains in SWG pool

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That does look more like organic staining either on the surface or partially embedded. You can increase your FC level a little over the ideal range and follow-up with consistent brushing. It may help. If it's encased in scale, removing the calcium scale would be next.
 
Texas Splash said:
That does look more like organic staining either on the surface or partially embedded. You can increase your FC level a little over the ideal range and follow-up with consistent brushing. It may help. If it's encased in scale, removing the calcium scale would be next.
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Okay. At what point is chlorine too high for people in the pool?
 
CathyS said:
At what point is chlorine too high for people in the pool?
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When you look at the FC/CYA Levels for your type of pool, you'll see a a few tabs. A couple tabs for the type of pool and another for the SLAM. You can actually be in the water up to SLAM level for your current CYA. For example, if your CYA was 50, you'll see the FC SLAM level is 20, so anything up to 20 is safe for swimmers. I'm not saying you need to keep the FC that high, that would be wasteful. But you can maintain an FC level say 3-4 ppm over your ideal daily target level for a while. Add to that some brushing and monitor for a few days or couple weeks. Might help.
 
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