Tank Filter

[SunshineSulie]

Hello.

I went away for the weekend, and came home to find my filter dead... Humming angrily... Not working...

Anyone have advice on a decent and cheap filter for a 2.5 gallon tank? I would prefer to be able to buy it from Petsmart or Petco, but I guess ordering online isn't horrible. Just want some advice. Thanks.

[Fieldz]

Read a bit about the Walstad method. I am doing some researches about it, and I think that its the best setup possible if you only have a betta. You wont need any filter and the waterchanges will be really small, as the plants will consume all the betta waste, the aquarium/tank will produce its own CO2 and wont ever need a fertile soil change, as the betta poop will work the same way.

[Fieldz]

You can read about it here:
http://www.theaquariumwiki.com/Walstad_method

http://www.fishlore.com/fishforum/aq...step-step.html

http://www.aquaticplantcentral.com/f...step-step.html

[Hadoken Kitty]

I just bought this cute little tetra whisper mini. it's for up to three gallons. (:

[Agility4fun]

I really like the Elite mini filter that came with my very first kit.

It has adjustable settings, but it's lowest setting might not work for all bettas, but my fish kind of likes wading in the little current and letting his fins fly.

http://www.kubazoo.com/en/elite-mini...lter-1653.html

I turn the outflow towards the side of the tank and it's surrounded with Sword plants. I recently experimented with baffling it with a little piece of sponge that I rubber banded to the outflow bit. Worked fine.

[SunshineSulie]

Fieldz, that sounds really interesting... I have done self-sustaining ecosystems before (environmental major with a particular interest in limnology...) but I don't like doing them in small environments, like anything under 10 gallons. And my little 2.5 gallon tank is all I can fit in my dorm room. :(

I will keep looking for a filter, tomorrow I might go out and wonder the Pet Stores in my area... In the meantime, keep me up to date with some good filters. :)

[Tikibirds]

You don't really need a filter for a 2.5G but if you insist on one

These are designed for small tanks

Small world filter - looks like it needs an airpump
http://www.amazon.com/Prang-Hardenin...ir+drying+clay

tetra 3i
http://www.petsmart.com/product/inde...ductId=2752355

Small sponge filter - need airline tubing and airpump
http://www.thatpetplace.com/dual-act...er-round-5-gal

http://www.ebay.com/itm/190775548999...84.m1438.l2649

http://www.ebay.com/itm/Air-Driven-B...item3cc6aadff5


I think a sponge filter would be the best because in the long run as its the cheapest - no cartridges to replace and no moving parts to break. Plus there isn't much current produced by the filter. You can get one pretty cheap off ebay- alot of asian sellers have them for sale with free shipping.

[Hadoken Kitty]

I only purchased the tetra 3i, because I was tired of no water movement in my 2 gallon tank. Now Dovahkiin is even more of a super happy camper. Almost an immediate change to more happiness, too!

[VJM]

I love my Azoo Palm.

[ollief9]

I have had good experiences with these filters since the spray bar can be pointed at the tank wall, reducing the flow around the tank.