Originally Posted By: JKB
Yes Bill, how do you plan to apply the media? The rest of us with the extruded media are barrel people laugh wink

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I was able to find some very inexpensive sponge filter cartridges today that have a pocket of activated charcoal "built in" that I thought were pretty cool and could remove some of the heavy metals, potentially making the fluidized bed media bio-filter more effective. I don't currently plan on replacing the charcoal in the sponges in the future but figure it can't hurt on startup. Once the charcoal is saturated, I will still have the sponge mechanical/bio filter followed by the fluidized bed media bio-filter.

Can somebody help me out on nitrate removal? How do you "barrel people" address it? Through frequent water changes? Anybody ever tried to incorporate a nitrate reductor with anaerobic bacteria? Another thing I'd like to use these tanks for is to propagate a few pond plants. Can the plants take out enough of the nitrate to see even a noticeable reduction in its level?

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