and does it actually work??
because i made one the same kind you describe,, a pvc tube 50" tall (maybe it was too tall?) with bio balls inside and a tube colied around it and at  1 drop per second flow rate. and a prefilter with fiber to prevent it from clogging.
maybe i was expecting miracles because my nitrates are too high and i didn�t gave it time to start doing it�s job.
or maybe it is supposed to maintain low levels, not to reduce levels of 80 ppm to 0 ppm
-----Original Message-----
From: sandy courrege [mailto:[EMAIL PROTECTED]]
Sent: Viernes, 17 de Agosto de 2001 10:40 a.m.
To: [EMAIL PROTECTED]
Subject: RE: Nitrates

actually my husband built it, I know it is a large piece of pvc pipe, that has bio balls in the bottom, and about 50 feet of tubing coiled in it, and then it is sealed at both ends with only the tubing coming out... I am sure you can find one on www.reefs.org  or someone else here can tell you more... my tank is a 75 gallon, it has a couple hundred pounds of live rock, live sand, corals, 1 lg. yellow tang, 2 spotted cardnials, a bi color blenny and a mandarin... the mandarin has been in there for over 3 years now and is fat and healthy....I never feed the tank as in putting food in it, that was over 3 years ago... I have for filter just a protein skimmer and the nitrate reactor.. no other filtration besides the rock and sand, I also have a very very large cucumber in there...
sandy

At 10:36 AM 8/17/2001, you wrote:
cool, can you tell me hoy to biuld a nitrate reactor??
do you have fishes or only inverts, how large are your fishes??
-----Original Message-----
From: sandy courrege [mailto:[EMAIL PROTECTED]]
Sent: Viernes, 17 de Agosto de 2001 10:32 a.m.
To: [EMAIL PROTECTED]
Subject: Re: Nitrates

best bet would be no more than 50% and build yourself a nitrate reactor, I have 0 nitrates and change water maybe once a year.....I do add make up water, but I think right now it has been close to 3 years since I did a change....
sandy

At 09:44 AM 8/17/2001, you wrote:
Hi folks!!, I�m wondering if you can help me with a little problem:
I have a 110 gal fish only tank (just some polyps attached to a stone) with
6 amazing fishes.
I haven�t had enough money to perform water changes as suggested, so my
nitrates went higher than suggested. I know that if I start performing 20%
water changes, i�m gonna need to change 1 1/2 times the total volume of
water, and that equals LOTS OF MONEY!!.
So i�m considering on performing a 100% or a 90% water change to reduce at
near to zero nitrates, PO4 and silicates and other nutrients.
Is this safe to do?? Of course i�m thinking on introducing my fishes after
several hours of acclimating to the new water.
Also, i have 50 lbs of live rock and it didn�t helped me with my nitrate
problem even do i have 4 40" bulbs. 2 blue and 2 full espectrum.
Please help me!!!
Marco
pd: Does anyone have used A-Z No3 (Nitrate remover?) cause i�m considering
in using it.
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