Residential Tannin Removal

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Stuart, FL
I just installed a new water softener and ran a regeneration cycle. The bypass is in the service mode. The water came into the house through the softener a yellow/brown color, about the color of weak iced tea. I know we have some tannin in our local well water. I saw some suggested filling a Styrofoam cup with water and adding a couple of drops of bleach and if the color disappears, the problem may be tannic acid. Well, after adding a couple of drops of bleach, the color disappeared and there was no sediment in the cup after 20 minutes.

I see that there are numerous brands and types of basic anion exchange resin available and they all apparently remove different forms of organic acids. How does one choose a specific type?

I also understand that there could be odor problems using this resin as well.
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