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What size of filter to get?

This is a discussion on What size of filter to get? within the Freshwater Aquarium Equipment forums, part of the Beginner Freshwater Aquarium category; --> How's your current filter set up inside right now? Do you have different sizes media's in there like from coarse to fine and/ or ...

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What size of filter to get?
Old 12-06-2009, 01:40 PM   #11
 
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How's your current filter set up inside right now? Do you have different sizes media's in there like from coarse to fine and/ or maybe something like bio-balls (these pea sizes stone looking like pebbles)?
Either if you can (and that depends how the actual current filter is shaped inside) add better/ more media and if that ain't possible I'd go for either a sponge filtration or a internal small filter (eg cascade).
But I'd not run 2 because of nitrates.

Regardless what filter you will have, you'll still have to do weekly w/c, which I guess you already know but figured I'd mention it just to be safe.

Also if the readings are your concern; How long has your tank been running? It may well be that its still trying to establish and that causes your readings rather then a "bad" filter
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Old 12-06-2009, 01:41 PM   #12
 
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Quote:
Originally Posted by La Reina View Post
I have to do a water change every week to keep the ammonia and nitrites down. If another filter isn't the answer, what could I add to the filter to keep the water cleaner? (The filter is very good from an oxidization and flow standpoint- the fish don't seem to mind the current.)
Another filter isn't the answer if there is high ammonia and nitrite. Once initially cycled, ammonia and nitrite should always read zero thereafter, unless something occurs to upset/destroy the nitrification bacteria. Too rigorous a cleaning (vacuuming the substrate thoroughly and changing the filter media at the same time) might have an impact, or ammonia in the tap water, overfeeding, too many fish added at once. Some thoughts on what can cause this.

As for water changes, a partial water change should be done every week at the least, and a significant one (50%+) in a non-planted tank. But not to keep ammonia and nitrite down, but just to remove the pollution (fish waste) that no filter can remove and reduce nitrates. That is standard maintenance.

How long has this tank been running? There has to be a reason if you are getting ammonia and nitrite above zero. Have you tested your tap water for both? And what water conditioner do you use?

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Old 12-06-2009, 03:14 PM   #13
 
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My tank has been up and running for a month now. My tap water is clear for anything other than chlorine. My filter media is an Aqueon cartrige that is poly batting with carbon inside. I use AquaPlus water conditioner and Ammo-Lock. I added two Water Wisterias a week ago but they're in rough shape and aren't helping my water quality any.
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Old 12-06-2009, 05:17 PM   #14
 
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Quote:
Originally Posted by La Reina View Post
My tank has been up and running for a month now. My tap water is clear for anything other than chlorine. My filter media is an Aqueon cartrige that is poly batting with carbon inside. I use AquaPlus water conditioner and Ammo-Lock. I added two Water Wisterias a week ago but they're in rough shape and aren't helping my water quality any.
Your tank is still cycling, at least that is normal so there is no unusual issue.

The Ammo-lock will detoxify the ammonia; from API's website:
detoxify ammonia and remove chlorine and chloramines. Locks up ammonia in a non-toxic form until it can be broken down by the tank's natural biological filter.

By AquaPlus are you referring to Tetra's AquaSafe? This is where their website says about AquaSafe:
BioExtract formula contains seaweed extracts (natural biopolymers), which support the development of beneficial filter bacteria for healthy and clear water. The added ingredients help to reduce aquarium pollution by strengthening the bacterial bed.

I'm a bit uncertain about the "natural biopolymers", no idea if this is good or not. It is a water conditioner that does not detoxify ammonia, unlike the Ammo-lock. You really only need one water conditioner, one that detoxifies chlorine, chloramine and heavy metals, plus ammonia at least for the present. Prime will do this plus detoxify nitrite, so they claim.

These products detoxify ammonia by converting it to ammonium which is harmless to fish but will be used by nitrosomonas bacteria. Test kits usually read ammonium and ammonia as ammonia. So with a water conditioner that detoxifies ammonia, you will still get ammonia readings (until the tank is cycled) but the fish will not be harmed. Nitrite is a different matter; if you have nitrite above .25 a partial water change is recommended. Daily 50% pwc may be needed until nitrite has spiked and dropped to zero. Using Prime as the water conditioner might alleviate this; I've no personal experience with how Prime detoxifies nitrite.

So to get back to your original question in this thread, a second filter would be of no benefit because the cycle has to become established and the bacteria can only multiply so fast regardless of how many filters. Also, the added water current is something I would not recommend.

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Old 12-06-2009, 05:35 PM   #15
 
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That's the reason I asked earlier how longs its been going....as B already explained, your tank is still cycling which is what I suspected reading over this. So no worries about another filter for you.
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Old 12-06-2009, 06:51 PM   #16
 
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Ok. Thanks everyone!
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