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Discussion Starter #1
In my 1200 gallon system my nitrates are rising. I'm am startING to feeding less and have been doing 120 gallon water changes every third day. Any other suggestions to help let the levels? Also my phosphates are slowly creeping up. I use RO/DI water and salinity reef salt by Seachem. I have two small media reactors with nitrate media. Five reusable media bags, four are filled with nitrate media and the last one is filled with phosphate media. Tank has some coral and I noticed that my tracophylia brain has lost color and seems thatitis not eating. Other corals look good some even are growing!

Check out links for pictures!

http://imgur.com/aWpwSm2 What my tanks look like

http://imgur.com/gNjjkrA From second floor looking down on fish only tank (700 gallons)

http://imgur.com/7ya6ZU4 Refugium on display (part of fish only tank)

http://imgur.com/DmTXS5D Spill down from top reef tank to bottom fish only tank.

http://imgur.com/2p2Rul2 Pumps, stumps, and skimmer.

http://imgur.com/HtDnmwW http://imgur.com/ZKy7fQa http://imgur.com/pCeqvmp http://imgur.com/r7HbKmo http://imgur.com/qXiJtvT http://imgur.com/PUENYvj
http://imgur.com/J0mnN3s
http://imgur.com/nVScRYv

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It appears your skimmer is working hard.

Is it rated for your size system, or is the nitrate media supposed to take up the slack?

I run a Vertex 300 for ~600g, plus biopellets. I'd have to double up on skimmer and volume of BP if I had 1,200g's.

HTH
 

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Discussion Starter #3

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Might want to go with a bigger skimmer. In my 40b i got a 180g rated one. Also got can do an easy diy reactor if you want.
 

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Well that is a good sized skimmer.

Do you have any idea how much of the water that passes through your sump goes to the skimmer? Is it possible that- of the amount of water circulating back to your tanks, a less than adequate percentage or gallons actually pass through the skimmer. Even under the best of circumstances skimmers are never 100% effective on the water that passes through them.


If you are looking for say a bio-pellet reactor for this system, you'll need a good sized one and a pump that will tumble a good deal media within it.

I found this one: http://fragtasticreef.com/Reef-Ocot...-Bio-Pellet-Reactor-Octopus-BioChurn-170R.htm

It's rated for 580 gallons. it's the biggest one that I saw there. WTF....it holds 2200ml of media. It is one the newer recirculating type that is much more easily adjusted to suit your needs.

HTH
 

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Discussion Starter #6
I will find out tomorrow what the turn over rate is in the aquarium. Cleaned the skimmer today and did a 50 gallon water change. I will do a water test tomorrow and let you guys know the paramiters of my water. As the bio pellets goes please tell me more. Are these a good thing to have? Also I will be doing a 10% water change friday.....large tanks are large work!! Thanks for all the input I'll post more tomorrow...maybe even some more pictures!
 

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Not to say that bio pellets will work 100% of the time but I added biopellets into my tank and I had nitrates at 80ppm and in a few weeks it dropped to 0. They also take care of PO4 and Ammonia.
 

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Discussion Starter #8
Sorry for the long wait. My nitrate levels have dropped!! They went from 10 down to about 7. I have been fine tuning my skimmer and have noticed there are larger chunks in the skim! This is a good sign from what I understand. Other water chemistry is as follows. Temp. 80*F, Ammonia 0, PH 8.1, Alk 7.8 dKh, Cal 450, Cu 0, Po4 .01, salinity 1.025, Mag 1440. All fish are healthy and corals still growing. The traca. brain has died...but that is okay because all other corals are still thriving. Thanks for your input and I might be looking into those bio-balls a little more.
 

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Could also try blowing off the rocks. When I do it to mine it looks like a sand storm in my little nano tank
 

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Discussion Starter #11
Well I do occasionally clean the sand out. I would say about once a month or every 4-5 water changes.....still slowly dropping the nitrates down With waster changes and my skimmer is producing a nice slime in the skim. Will update later about other things I am doing.
 
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