The Planted Tank Forum - View Single Post - Using purigen in a sponge filter
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Old 11-06-2013, 07:15 PM   #4
Cokers
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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?
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Last edited by Darkblade48; 11-07-2013 at 12:14 AM.. Reason: Please use the edit function for back to back posts to keep threads cleaner
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