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Old 05-14-2006, 03:31 PM   #11
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Good question, besides having a bunch of ugly ph in the tank there is no reason since you have enough lr for biological filtration besides the occasional use of AC or other media if not using a sump.

I really don’t think you would save that much money by using ph instead though. Also I use my canister and bio-wheels on the main so I can transfer one of my bio-wheels to my QT for instant bio-filtration. Other then that I wouldn’t bother either.
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Old 05-14-2006, 07:24 PM   #12
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Filters

I just want to lower my Nitrates...

I always figured more filtration the better, but if the biowheels and filter pads are hording bad bacteria maybe they arent good?

I've done 30% water changes once a week and still cant lower it.

One thing i've noticed is my protein skimmer barely pulls any waste out of the water... Any suggestions?
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Old 05-15-2006, 09:25 AM   #13
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Re: Filters

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Originally Posted by mnestroy
I always figured more filtration the better, but if the biowheels and filter pads are hording bad bacteria maybe they arent good?
Not bad bacteria, but too much of a good thing. Your aquarium wouldn't survive without a decent population of these bacteria, but any filtering surface that you can't/won't clean frequently will trap dirt particles and eventually turn them into nitrate.
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Old 05-15-2006, 01:22 PM   #14
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Re: Filters

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Originally Posted by mnestroy
if the biowheels and filter pads are hording bad bacteria maybe they arent good?
It’s not the “extra bacteria” that causes the excess no3. It’s the extra waste that gets trapped within the filters that breaks down and causes excess no3. By cleaning more frequently or eliminating waste from being trapped you greatly reduce your no3.

That is why lr and skimmers are used to filter reef tanks because with the bulk of your biological filtration happening all within the tank there are little places that waste can build up if you have a decent cleaning crew. The skimmer helps pull the waste from the water before it ever settles within the tank.

Also the bio-wheels only convert nh3 to no3 since there isn’t any oxygen deprived bacteria to convert the no3 to nitrogen which escapes the tank as a harmless gas. The lr/ls does have this bacteria to help combat no3.
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Old 05-15-2006, 04:33 PM   #15
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Hmm

Okay bottom line me

40 Galon Tank.....

- AquaC Remora Pro with Mag Drive 3 Protein Skimer
- Eheim 2026 Professioanel II Series Canister Filter
- Emperor 400 Hang on Filter (with two bio wheels)
- 2 Rio 600 Powerheads
- 40Pounds of live rock


Do I keep things the way they are, or get rid of the Emperor? or the canister? I just had 3 fish die over the weekend and i'm still trying to figure out what went wrong, all my stuff looks okay cept for my Nitrates which are high...

I've done water changes every 3rd day (15%) still wont lower.
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Old 05-15-2006, 05:16 PM   #16
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Get rid of the emperor, or at least any media in it before the biowheel.
Get rid of the media in the canister, keep the canister itself as a pump, and for emergency carbon usage.

The above actions will get rid of the trapped debris turning into nitrates problem, but there may be a second issue at hand if that many water changes isn't helping.

What is the nitrate reading of the water you are putting into the aquarium on each water change? Are you using tap or RO water? What brand of salt are you using? What is your water change routine?

20 ppm nitrates should not cause fish death. There is another factor involved that we have not yet discovered.
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Old 05-15-2006, 05:25 PM   #17
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You only had 4 to begin with so I assume you are down to 1 (probably a damsel). Did you ever have any trace of nh3/no2 when you added the new lr? I agree that no3 of 20 ppm or less would not cause fish deaths but any trace of nh3/no2 can be fatal within hours if not caught in time.
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Old 05-17-2006, 01:48 PM   #18
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I am using Insant Ocean salt... is that okay?

I have 2 Damsels.... they have been around the longest... They look sickly... I think thought they had Ich but in another forum they said because my shrimp also died its not likely ich.

In the morning when I turn the lights on, I do see white spots all over them, almost looks like tiny air... but by 8pm their skin looks fine?

I will test my tap water tonight.

I did add 10more pounds of live rock last week, but it was from a pet store that was in a tank, it actualy had 2 large feather dusters attached, so I assumed the rock was oaky... the amomnia levels didnt spike after, and still read 0.
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Old 05-17-2006, 03:06 PM   #19
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i didnt read all the posts so sorry if im repeating but my advice would be to remove all micanical filter media i use an emperor 280 on my tank no cartridge you can keep the wheels as for the canister i would remove the media and use it for flow
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Old 05-17-2006, 04:17 PM   #20
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Could this be the reason for the los sof my fish?

could the reason the loss of my fish is caseu of my tap water?

the local fish store in same town said i should treat the water first, cause the tap water have hih chorline?
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