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  1. P

    Phosphates - do I treat?

    OK, here are pics of my pool. It's a small pool ca 9000 gallons. There are an in floor cleaning system (I think). .
  2. P

    Phosphates - do I treat?

    I finally took some pics of the pool and the equipment. Can I post them right here or there is other place? I actually have also some questions about the Pentaire and how to program it.
  3. P

    Phosphates - do I treat?

    Thank you for your detailed reply. Yes, I would love to discuss the ecology of the pool but I think others can be really bored ;). I am a first time pool owner (as of 5 weeks ago) and also new to southern AZ (and to the country as a matter of fact). I have been told that in AZ we need to keep...
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    Phosphates - do I treat?

    This chart is very helpful. Thank you. I will try to lower CYA to 60 so I can keep FC a bit lower (and phosphates will be diluted at the same time)
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    Phosphates - do I treat?

    I am working on this... My CYA was 140 now is around 100. I need to go a bit lower, however I have been told that in southern AZ (not entire AZ) CYA level should be higher. Right now we have 105F and over 12 hours of sun.
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    Phosphates - do I treat?

    Moved from here. I am a new guy in the pool "business" but I am an experienced biologist, more, a microbiologist, and according to my knowledge if you kill algae with... anything (it does not matter how you kill them) you actually release more phosphate (other phosphate source can be bird...