Has BRS Tested Purigen?

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I think this is a good experiment. I was always told that Purigen didn't work in saltwater tanks for some reason. I'd like to see some real evidence and reasoning as to why though.
 
It's one of the best phosphate removers in a nano tank. Once my phosphate starts to creep up I know it's time to regen my Purigen, and that's usually about every 2 months..
 
Kayvon said:
I think this is a good experiment. I was always told that Purigen didn't work in saltwater tanks for some reason. I'd like to see some real evidence and reasoning as to why though.
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It will bind organics very well in seawater, and that's the only reason to use it. You can remove organics, either as the end goal, or to prevent them from breaking down into inorganic nutrients.

What it won't do (I believe) is bind any significant amount of nitrate, nitrite, ammonia, or phosphate directly from seawater at the concentrations normal for reefs. :)
 
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Randy Holmes-Farley said:
It will bind organics very well in seawater, and that's the only reason to use it. You can remove organics, either as the end goal, or to prevent them from breaking down into inorganic nutrients.

What it won't do (I believe) is bind any significant amount of nitrate, nitrite, ammonia, or phosphate directly from seawater at the concentrations normal for reefs. :)
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As a side question Randy, if a system has no problem keeping NO3 & PO4 at very low levels is there any real reason to attempt to remove DOC using GAC, purigen or skimming?
 
TbyZ said:
As a side question Randy, if a system has no problem keeping NO3 & PO4 at very low levels is there any real reason to attempt to remove DOC using GAC, purigen or skimming?
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I would, to reduce yellowing of the water and the potential for some of those organics to be toxins intentionally released by the organisms in the tank to reduce nearby competition.
 
TbyZ said:
although BRS are very fair & honest, I'm sure, some people may suggest the test null & void sighting conflict of interest.

I was suprised to discover that BRS doesn't sell Purigen.
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Yeah, that makes sense.

I wonder why they don't.
 

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