Aqua Medic Nitratreductor

dw1305

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May 5, 2009
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Hi all,
Matt I've never tried these, but I've quite a lot of research on de-nitrifying coils and why they don't work very efficiently in practice.

Have a look on the reef forums, de-nitrifying coils and Berlin and Jaubert Plenums had a bit of vogue and then died a death. Have a look here <http://www.reef-face.co.uk/forum/index.php?showtopic=747>.

The real answer is plants (and they don't have to be physically in the Aquarium).

cheers Darrel
 

macvsog23

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May 1, 2009
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I once knew a guy who let the runners from bread fruit plants hang in his tanks said it was a good water cleaner
 

matubula

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May 7, 2009
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It doesnt matter now anyway, the ebay listing was taken off. For £65 I would have taken the gamble.

Plants with roots in the aquarium is a possibility. The tank is open top, but the luminaires light is quite well focussed into the tank. I did use grow Hemianthus c(something) and some B&Q houseplant on the tank background.
 

macvsog23

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This guy was a wiz with Discus in the 70,s he let the roots or runner as I called them run in to the tank said they took every bit of clap out.

He breed them when no one could a bit of a nut case but a very good fish keeper
Sold me my first eheim and paved the way for me .
 

dw1305

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Hi all,
Matt £65 would have been a good deal as they cost several hundred new. I think the main problem with them is the difficulty of adjusting the flow so that denitrification occurs. You tank would be fine for some emergent plants. I've got a couple of Cyperus plants etc. you can have. PM me when you are back home, and I'll post them up to you.

Have a look at this from PC <http://www.planetcatfish.com/forum/viewtopic.php?f=4&t=28619&p=178253>.

cheers Darrel
 

Akraziatic

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I've heard about using terrestial plants to clean the water which seems logical, and im no botanist, but wouldn't the plants in the tank do the same job?
 

dw1305

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plants

Hi all,
Yes plants in the tank is the best option, it's just Matt doesn't have any substrate, and he keeps Panaques that are going to chomp all the moss, java fern etc planted on the wood. It is a bit like keeping Oscars or Pacu, where the plants can't be in the tank. If you have a sump you can put the plants in there, and then have a 24hour lighting to maintain photosynthetic oxygen production.

You can think of plants like any other "filter", they can be internal or external.

The great advantage of planted trickle filters is that you get the biological filtration advantages of the plants and the oxygenation effect of the trickle filter (Matt has a wet and dry Eheim as his "trickle" filter).

If I can I would always go for growing plants in the aquarium and a trickle filter.

cheers Darrel
 

Pete

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May 19, 2009
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Agree about plants in the tank thats what I do
I find the Panaques do leave them alone but mine ar'nt as big as Mats
Pete
 

matubula

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Great links, thanks. Ive seen those 'algae scrubbers' on MKF and those planted tanks look great, im really starting to like these ripariums.

In the summer I want to set up a sump for the tank since potentially I have 110x50x70cm of space under the tank. Id like to include a few features like an 'algae scrubber', 24h lit refugium and some sort of OHF/trickle filter.

BTW Darrel, im very impressed that you remember/recall my setup exactly, kudos.
 

dw1305

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May 5, 2009
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Hi all,
Matt, I've just got a good memory, and I remember your filter posts, and why you got the Eheim wet and dry, "solids" pond pump etc.. I like your approach, I think if you are going to go down the route of keeping fish like your Panaque, you need to do it like you mean it.

Algal scrubbers are mainly used for marine, because there are a very limited range of higher plants (macrophytes) you can use, really only Red Mangroves (Rhizophora mangle) and Sea grasses (Zostera, Posidonia & Halophila ssp.).

People do use Mangroves, but obviously the range of algae is much higher with Reds (Rhodophyta) and Greens (Chorophyta) using different light spectra etc. They both work the same way but in fresh water macrophytes give you the advantages of having roots and being much more efficient nutrient sinks.

I've got a lot of scientific papers etc. from the day job if people have specific questions.

cheers Darrel