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Re: nitrate filter



How do you construct a nitrate filter??
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Frank Carriglitto
ChiKA, AKA #08234



> Date: Mon, 22 Jul 2002 02:21:11 +0200
> From: "Erik Pfingstner" <erikpfingstner at freenet_de>
> Subject: AW: changing water . . .
> 
> Ha! Here you get some coliding data:
> 
> I have been reading opinions in the oposite direction: change water the 
> less
> possible! myself I am basically used to big tanks. For my 450 Liters (120
> Gal) tank I have constructed a nitrate filter. I had it run during nearly
> one year and despite changing water very seldomly, I never could measure 
> any
> nitrates at all. I never measured phosphates but having no algae at all, I
> did not bother.
> 
> The filter went untight some time ago and I constructed another one. I put
> it in use on wensday and had 30 mg/l nitrates and 0.25 mg/l phosphates at
> that time. I bet that in 4-6 weeks, I will have zero nitrates without
> changing any water.
> 



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