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Originally Posted by Johnny Reefer
Just wondering if one goes farther and is more cost effective than the other.
I think they both probably do the same, essentially, but I have a hunch one goes farther than the other.
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I've only used Rowaphos, so can't comment on Phosban, however I had this link bookmarked:
http://www.advancedaquarist.com/issu...004/review.htm
Please disregard if you're already familiar with the article...
~Tamara