[AquaticLife] Purigen
With all of the other filter media in a Rena canister filter, I don’t think the BioChemsorb will affect your nitrogen cycle very much… if at all. I’m presuming you have the two sponge blocks (large pore and small pore), then some filter floss or poly pads and then the BioChemsorb. I think the BioChemsorb package is much larger than the Purigen so you may want to add some more polypad filter media to add more mechanical/biological filtration to your system.
On my blog, I have a filter profile on one of my Rena Filstar canister filters. I put the Purigen as the last layer of filtration (on top) so that the 100ml package of Purigen mostly covers the round slotted opening where the water flows back to the tank. Since you’ll be “cleaning” the Purigen every few weeks, you don’t really want to rely on it for biological filtration since any N-bacteria will die when immersed in the 50/50 bleach/water solution which is how Purigen is cleaned/recharged.
I soak it for 24 hours in the 50/50 bleach/water solution and then rinse it well for a minute or two under running water. Then soak it for 24 hours in a cup of water and 2 capfuls of dechlor. Then rinse again and I put it back into my filter.
I have two filter systems and I alternate doing filter maintenance/cleaning each week so each system gets a routine cleaning every two weeks. If the Purigen has gotten dark enough, I do the soak. If it’s not that dark, then I let it run until next time. I do have at least one package of clean/recharged Purigen running in one of my filters at all times. I never let them both get too dirty at the same time.
Lenny Vasbinder Fish Blog - http://GoldLenny.blogspot.com (Links to articles referenced above listed on the right side under Archives - Year, Month and under Labels)
Category: Philippines Internet Koi Society
