Filter media

MatthewM

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Now that I finally got around to getting my tank planted. I'm removing the carbon from all my filters as not to counteract the seachem ferts. What would be a good combo now? I already decided my hob is going to JUST be de-nitrate by seachem. Unless you all have another idea. And my cannister is gonna be, bottom to top, foam blocks, bio stars, purigen and de-nitrate in the same rack, and the top I don't know yet... Btw, will purigen affect the ferts like carbon? Or am I okay with that...
 

MtnTiger

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Not saying you shouldn't proceed the way you have but there is no scientific facts that say carbon will remove fertilizers.
 

ricmcc

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Please remember that de-nitrate does nothing to reduce nitrates unless the flow flow of the filter is 50 gph or less, so Matrix might be a good solution (regardless, de-nitrate will provide a fine bio-bed media at higher flow rates). Just that matrix is a little less expensive. rick
 
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MatthewM

MatthewM

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MtnTiger said:
Not saying you shouldn't proceed the way you have but there is no scientific facts that say carbon will remove fertilizers.
I know its not positive. But I have read on a lot of places that carbon doesn't remove all of it, but can absorb some. And as I'm heavily planted with no co2, I want no risks. Plus I don't really need the carbon anyway...

ricmcc said:
Please remember that de-nitrate does nothing to reduce nitrates unless the flow flow of the filter is 50 gph or less, so Matrix might be a good solution (regardless, de-nitrate will provide a fine bio-bed media at higher flow rates). Just that matrix is a little less expensive. rick
It has been working quite well so far, as its lowered my nitrates from 40ppm and above down to under 20..
 

leftswerve

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Wonder if the nitrate reduction was from the plants? I mean, how do you know which one reduced it? I want the de-nitrate to work ,in the process of setting some up myself.
 
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MatthewM

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leftswerve said:
Wonder if the nitrate reduction was from the plants? I mean, how do you know which one reduced it? I want the de-nitrate to work ,in the process of setting some up myself.
I didnt put plants in till yesterday. I was running de nitrate for about a month
 

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