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-   -   Using purigen in a sponge filter (http://www.plantedtank.net/forums/showthread.php?t=473730)

Cokers 11-06-2013 06:02 PM

Using purigen in a sponge filter
 
So I've been having a nitrate problem, and I want use some purigen to get rid of it. What I'm planning to do is buying a small 20ml packet of purigen on Ebay and them pouting that into my sponge filter's tube and then plugging it with some filter floss.

fishwater 11-06-2013 06:05 PM

Hmm, Nitrate problem= water change.

musician71604 11-06-2013 06:10 PM

I'm afraid the purigen would go right through the filter floss. It's incredibly small.

Cokers 11-06-2013 06:15 PM

Trust me, I've done water changes and the next day it's right back up to 30ppm and the next day around 40ppm. It comes out the tap at 10-20ppm and my RCS haven't been doing too well.

Is there any kind of small bag I could put it in?

fishwater 11-06-2013 06:20 PM

There are fine mesh bag that would probably work for that, or even possibly panty hose.

Cokers 11-06-2013 06:45 PM

Look at all that unused space in there!
http://i275.photobucket.com/albums/j...psabd4a692.jpg

devilduck 11-06-2013 06:59 PM

The 100ml packet of purigen comes with its own bag. You should be able to shove it into that space.

Cokers 11-06-2013 07:06 PM

It's a 5.5 gallon btw, so I feel 100ml is a bit overkill.

Is there a filter media that actively absorbs or removes nitrates? I've read that purigen just removes the source of nitrate, but not the nitrates themselves.

xmas_one 11-06-2013 07:24 PM

Your tank probably has not finished it's cycle. Be patient, don't throw chemicals at your problems. Purigen doesn't remove nitrates anyways.

Bandit1200 11-06-2013 09:45 PM

Shoving anything in there will restrict your waterflow. If this is an air powered sponge filter it will likely stop your filter from working completely.

Lia 11-06-2013 11:11 PM

I use either Chemi-pure, purigen or polyfilter pads on different tanks .

Either way I think for a sponge filter , A polyfilter pad might be what you are looking for . I have found that current does NOT have to go through it , in order for it to work but there has to be some water circulation in the immediate area and sponge will work.

You just cut the pad into small pieces and change when it turns dark brown .

pgaron 11-07-2013 01:38 AM

Quote:

Originally Posted by Cokers (Post 4622538)
So I've been having a nitrate problem.

Buy some elodia aka armchairs, it eats through nitrates and is an easy grow and it grows floating

chad320 11-07-2013 02:04 AM

I would guess the sponge filter IS the problem. Its probably not enough filtration for your bioload and you would be better off with a HOB filter, even if its a small one.

Terminalance 11-07-2013 02:38 AM

Get rid of the sponge filter and use the Azoo nano HOB. It's the same thing as the Red Sea deco art nano filter (now discontinued). I use this on a 2.5 gallon and it works great, absolutely tiny and the water flow is adjustable. Besides you can buy yourself a purigen packet, cut it to size, then staple it shut. I believe most staples are stainless steel, so it wont harm your water.

Terminalance 11-07-2013 02:39 AM

And did I mention CHEAP?? I got mine from Amazon for I think 15$ including shipping.


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