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#11
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![]() there have been studies that have showen that a proper DSP is more efficient in removing nitrate than LR. so does this mean we don;t need LR.. nope not in my views, what it does mean is that if the design you like calls for less than 1.5lbs/gal you can do it. I started that way but something happened and I ended up with about 2 or 3 lbs/gal
![]() Steve
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