06-30-2013, 05:29 PM
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Originally Posted by skelator
i have a canister filter for the tank. the other bubbler is a plastic filter i use to house a bag of purigen and some filter floss. this is kind of an experiment. i always ran a sponge filter in place of this new floss filter thing. its defintly working as i can see it getting dirty.
i normally run a small bag of purigen in the canister filter. i figured why not try on in the floss filter thing.
Now you have me confused. I don't know how "planted" this tank is, but with live plants there should be no need for chemical filtration. Purigen is chemical filtration, as is carbon and various other substances. These are actually removing nutrients the plants need. Now, I will be honest in saying that the Purigen may not be removing that much, but it is removing organic nutrients that plants need. Like the airstone, this is un-necessary as it is working against the plants. CO2 is being removed by both these processes, since CO2 mainly occurs from the breakdown of organics.
A canister rated for the tank size is more than adequate filtration for a planted tank, unless the tank is out of balance by being overstocked, incorrectly stocked, or too much food is going in.