Look in your toilet tank - is IT stained? What color?
(Iron can be present, but not show up on tests, because once it hits the pool, it becomes a stain so quickly. And once it's a stain, it's no longer in the water!)
Re: Stain slowly increasing over last three years of owning pool
Look in your toilet tank - is IT stained? What color?
(Iron can be present, but not show up on tests, because once it hits the pool, it becomes a stain so quickly. And once it's a stain, it's no longer in the water!)
PoolDoc / Ben
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