RE: nitrate filter

["Tranquility Base" <TranquilityBase at NetZero_Net>]

Hi Dan,

There are actually a few species that prefer nitrates. They are uncommon in
the scheme of things. I recall seeing a list of them once. Their names were
in Latin and I did not recognize a one. Plants actually need to break down
the nitrates to ammonia to use them many prefer ammonia or even nitrites to
nitrates.

If you want to get rid of nitrates just add some lava rock to the system. I
use it in my corner filters and my nitrates usually stay at about 5ppm. In a
heavily planted tank I can usually maintain 10ppm without lava rock.

Peace,

~RJ~

-----Original Message-----
From: owner-killietalk at aka_org [mailto:owner-killietalk at aka_org]On
Behalf Of Daniel McMonigle
Sent: Wednesday, July 24, 2002 6:57 AM
To: killietalk at aka_org
Subject: Re: nitrate filter


 "The plants do just wonderful without nitrates. In nature, we also measure
most waters as zero nitrates and plants grow there too. I have many cryptos.
They do better without nitrates."

Some of the plant books say that plants will only resort to using nitrate
when ammonia is not available. The plant has to process the nitrate before
it can use it.




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