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Posted by erik w on March 14, 2006, 3:01 am
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George Pontis wrote:
> says...
>
>>I have a 75 gallon African tank using a Fluval 404 and a dual biowheel
>>powered with a powerhead. There is more than enough filtration (0
>>nitirites). Nitrate build up is controled by partial water changes. If you
>>want more circulation then I agree with the powerhead. I ran one attached
>>to a sponge filter and the sponge gathered more debris than the Fluval.
>>Adding another 404 would be, in my opinion, overkill.
>
>
> Your setup makes a lot of sense to me, and on several occasions I have
suggested
> the PH-Biowheel combo to others as a very cost effective way of adding
mechanical
> and biological filtration. I never really gave it enough consideration for
this
> tank. One reason may have been that I have been able to move almost all the
> technology out of the tank and under the stand. The only thing really visible
is a
> dip tube ("Eheim installation set 1").
>
> That said, I finally ordered a second 404 but have not yet received or
installed
> it. As far as being overkill, I don't think it would be. The specs on the 404
say
> 340GPH pump, but in further detail admit to only 225 GPH "circulation". So for
an
> actual 100G water capacity, two of these could turn over the tank 4.5 times
per
> hour. That is right in the middle of the 3-6 turns per hour that is often
> recommended. One thing is for sure, a single 404 is not enough for this
> application.
>
> George (P)
Wish I had a canister filter. I just have a Emperor 400 for my 75 ga. By
the way it is going to be cool when you get the file not found for
tank. lol. Get it? 404 error: file not found. I am such a nerd!
Erik
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> powered with a powerhead. There is more than enough filtration (0
> nitirites). Nitrate build up is controled by partial water changes. If you
> want more circulation then I agree with the powerhead. I ran one attached
> to a sponge filter and the sponge gathered more debris than the Fluval.
> Adding another 404 would be, in my opinion, overkill.