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Old 09-02-2012, 02:23 AM   #1 
kc0vbl
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Question Filter recommendations

Read a couple of threads and I am considering 2 different filters for my 2.5 gal tank. One thread mentioned the Azoo Palm Filter and said it worked well. Another one I am considering is the Fluval Nano Internal Aquarium Filter. Anyone have experience with either? Stupid question - will I need an air pump for either?

My tank has a divider, will this interfere with either filter?

Any other suggested filters would be appreciated. Thanks!
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Old 09-02-2012, 03:06 AM   #2 
TheCheese909
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I don't know about either of those, but I do know about this one:
http://www.petsmart.com/product/inde...ductId=2752355

It comes with an air pump which is what it runs off of, it's pretty quiet and not too windy. The filter cartridges are about $3 for a pack of two at WalMart. I'm currently using 4 of them in tanks from 2.5 gallons to 4 gallons and change the cartridge monthly.
I love it because it's small, not too windy and my long finned Bettas cannot get their fins caught/torn on them and the cartridges are super cheap. I used these to replace the filters in my BettaBow 2.5 since the filter in there was horrible at tearing up finnage and the pads were like $8 for a 3 pack which I also had to change all the time because they grew mold on them super quick.
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Old 09-02-2012, 03:38 AM   #3 
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The Azoo filter is a HOB. It Hangs Off the Back of your tank and, from the looks of it, will probably interfere with your hood.

The Fluval is a good internal filter which fits entirely inside of the tank. This helps keep it quiet.
The spraybar helps keep the current down.

If your divider has enough holes for water to flow through, one filter will do fine. Both are power filters (they have their own impeller fan) so don't need an air-pump.

You might want to research "sponge filters" which DO need an air-pump, but are ideal for Betta because they cause very little current.

Even with a filter you'll still need to change your water every second or third day if you want to continue keeping two Betta in a small (2.5gal) tank.

I don't see a heater or thermometer in the pic of your tank. Perhaps you have added these since that picture was taken.

I know you didn't ask but another tank and heater might be a better investment than a filter right now. You really don't need a filter in such a small tank. Also, it is usually not recommended to house a male and female in the same tank.

@ TheCheese: Why are you changing your cartridges so often?

I'm sorry to say the Tetra 3i is the least effective sponge filter being sold. If you take out the cartridge and watch it work, you'll see that the water hardly flows over the cartridge at all...just the top part. I can be modified to work effectively.

Last edited by Hallyx; 09-02-2012 at 03:49 AM.
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Old 09-02-2012, 04:00 AM   #4 
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I only just now looked at the tank you have kc0vbl, and if i'm not mistaken it's the one from WalMart that's called something like a Betta Wave tank. The Palm Filter will more then likely disturb your hood and possibly cause strain on the actual tank, possibly causing problems with it staying upright since it's a light plastic tank.

I have some live plants in my tanks and the little pads can get clogged very easily by any plant matter as they have little grates in the back and aren't padded on both sides. I do rinse them out from time to time but it's difficult to pull little pieces out. They can last longer and I have made them do so but it's easier to change them every month or month and a half then sit with tweezers picking pieces out.
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Old 09-02-2012, 08:08 AM   #5 
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Tetra Whisper 3i is one of the worst filters, I've ever used.

I just got a hold of the TW 3i filter this week with the Tetra Wonders 1.5G Kit.

Now I have 2 TetraW 1.5G tanks, (1 has Silver trim & 1 has Black trim). I like these little tanks because of it's small size, shape & built in mini LED light. I disassembled, cleaned put the tank together last night & finally got a chance to play with the key components of this kit. I must admit this TW 3i filter looks pretty horrible.

Hally is right about the filter's design....... it's NOT good. I jammed well seeded media inside the unit, but then realized the water doesn't even flow over the bottom half of the filter. I don't know how to go about fixing this. I will probably sandwich another layer of seeded media over the part where the water comes out aka the output.

I ONLY bought this TW 1.5G tank because it HAD everything except the lid, it also came with a ton of really NICE deep scratches embedded in the acrylic but thankfully the back of the tank isn't gouged up like the others.

  • I would recommend the Azoo/Red Sea Nano Filter even though it may interfere with the lid closing.
Azoo/RedSea is a HOB, but once this filter is establish, it works GREAT.

  • Fluval one looks cute, it's similar to the Duetto DJ50 but the Fluval has a very nice spray bar output.
However I don't like the Duetto DJ50. The impeller is ridiculously thin & I don't like dunking my hands into the tank water to mess with this filter.
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Old 09-02-2012, 07:10 PM   #6 
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MSG,

I understand your reasoning for recommending the Azoo filter. If the OP doesn't mind modifying the cover, it would be a good choice. There seems to be plenty of extra room for media in there.

I modified my Tetra 3i to make it more effective by:

---Drill a 1/8 inch (or larger) hole through the back of the case, all the way though the riser tube portion into the cartridge chamber.

---Seal up the hole in the back of the case with AQ sealant.

---Seal up the top of the riser tube (where the water comes out) with AQ sealant.

Now the water will flow from the bottom of the filter chamber instead of the top.

The 3i does have a relatively quiet air-pump. Although rather weak, it's fine for two Betta-size sponge filters.
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Old 09-02-2012, 07:14 PM   #7 
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The Fluval isn't as good as the Tom internal filter. Same design as well. Also I heard that the Fluval is loud. The Azoo Palm Filter is a good fikter but is only recommended for 3.5 gallons, so I would get the Tom as it filters 6 gallons and includes a spray bar as well.
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Old 09-02-2012, 08:41 PM   #8 
kc0vbl
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Thanks for the input. I have not yet added a thermometer and heater, ordering these from Dr. Fosters and Smith when I decide which filter to use.

I seem to be getting confused with the amount of information I am trying to obsorb. I thought I read that filters at not necessarily needed, but recommended. Was going with the flow on that one. I also thought I read that keeping males/females together was not good unless they were going to mate but keeping them separated with a divider was ok. I can invest in another tank and supplies, not a problem. Overall, is the tank too small for 2 fish? If I got another tank I would love to put 2 males with the divider in 1, and 2 females with the divider in the other. Just a thought.

I am a breeder of skinny pigs and give them the best I can. I would also like to do that for the fish so again, any input is greatly appreciated. Thanks!

Diana
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Old 09-02-2012, 08:50 PM   #9 
kc0vbl
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I am a good modifier of things to work the way I want so that is not a problem. So far I think the Palm filter is getting the most 'votes' although it might be to heavy for the tank and cause the hood not to sit properly. The hood is mounted, there is a hole to put the food in at the front, and there is a opening at the back of the hood I assume is for things like the cord for a heater and maybe a filter. It is hard to imagine how these things will work without having them in hand.

The tank is the Betta Wave something or other from WalMart. I picked it because it was simple, had the LED lighting, and the separator and I could add what I wanted to it instead of getting the cheap stuff that usually comes with a kit. Everything else seemed too small (just bowels really) or the kits with all the junk.
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Old 09-02-2012, 09:05 PM   #10 
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I am getting the Coralife Digital Thermometer, the Hydor Slim Heater, and both filters to see which one might be better. Anything else recommended?
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