Anyone use any nitrate reducing filter successfully?

[lesleybird]

Hi, I have had the amonia and nitrites held to zero in my tank for a long time. I find it pretty easy to manage these, but even though my nitrates are fairly low, they are very hard to keep this way even with frequent large water changes. Does anyone use a filter that they have made or bought just for nitrate reduction that they have used successfully other than a refugium with macro algae? Tell us what you use, and how it works.
Thanks, Lesley

 

[plum70rt]

You mean lik a denitrator? I have one ,works like Bullets
read on http://www.natureef.com/denitro.htm#Controlled

 

[wamp]

I had one on my 180 made by aquamedic. I would not reccomend this one to my worst enemy!
Very hard to adjust and very hard to keep it adjusted...

 

[plum70rt]

Yes I heard that, mine works totally Different , sort of like the naturereef but uses better doser pumps and uses methenol, works 100% perfect Nitrates are 0, and I heavy feed everyday