I know I sound like a broken record but....I am concerned about the nitrate level and battling this chlorine problem.

In the Jandy documentation it says that Nitrates can cause extremely high chlorine demand and will deplete chlorine in the pool and may lower chlorine to zero. In addition, the EPA recommends no more than 10 ppm (mine was over 30), or can result in serious health risks to babies and pregnant women.

In previous posts (see below) the recommendation was to replace water or add borates.


Phosphate problems
Started by woody99‎, 06-28-2010
waterbear
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If there is fertilizer run off from the golf course then nitrates are going to be a bigger problem for you than phosphates (and are also algae food) but nitrates are not normally tested for.
Do you know why?
There is no such thing as a nitrate remover. The only cure for high nitrates is water replacement with nitrate free water.

waterbear
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Nov 2004
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Re: Leslie's says phosphates are way too high
Another way that is much easier than dealing with phosphate removers or montlhy additions of polyquat 60 is to add borates to your pool to 50 ppm.
You still need to maintain the proper FC/CYA relationship no matte which method you try.