a couple other points, a Ca reactor uses low PH to dissolve media so it has the ability to slightly lower your tank PH. Also it replaces a broad range of minerals which are released from the media as it dissolved. So it replaces more than just Ca.
A kalk reactor can increase your PH and is a much simpler unit. Kalk also can precipitate phosphate out of solution but I am now undecided as to weather this is a good thing or not.
I use a kalk reactor myself right now only because I broke my Ca reactor in the move.. when I build a new one I will be running both again.
Steve
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 *everything said above is just my opinion, and may or may not reflect the views of this BBS, its Operators, and its Members. If cornered on any “opinion” I post I will totally deny having ever said this in a Court of Law…Unless I am the right one*
Some strive to be perfect.... I just strive.
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