7 comments to “Do I need a filter for my 2 gallon aquarium?”

1. ?xoxoxo? wrote:
   4. August 2009 at 2:25 pm :

   i know the betta wouldnt need the filter and the frog probably wouldn’t but if you tank to be a little bit cleaner and for yor fish n frog to last longer then you should get the filter… GOOD LUCK

2. Sarah S wrote:
   4. August 2009 at 10:31 pm :

   no i dont think they would require a filter. but, i do not think you should change the water once a week; there is no time for any beneficial bacteria to form in the tank that in the long run, will help your fish live a longer healither life.

3. 007 wrote:
   5. August 2009 at 2:59 am :

   ALL aquariums would benifit greatly from a filter.
   Filters remove harmfull toxens from the water.
   To keep a tank that small with good water quality, you would have to do frequant water changes (twice a week).
   with a good power filter you could probably get away with once every 2 weeks.
   Here is a good filter for a small tank like yours.
   There are more small filters to choose from.

4. Ryan wrote:
   6. August 2009 at 9:34 pm :

   buy the smallest filter you can with only having 2 gallons Bacteria will grow on the filter and keep your fish happy. happy fish are live fish. i suggest

5. Lizzii wrote:
   7. August 2009 at 7:21 am :

   You need a filter and a heater.
   Aerator is not enough.
   Aerator does little to nothing.

6. Aquella wrote:
   10. August 2009 at 6:28 pm :

   Yes you need a filter. You also need a heater. And a larger aquarium. 2-gallons is too small for just your Betta, and is way too small for both him and an ADF. ADFs require very clean water, which you won’t get in a 2-gallon.
   I’d suggest an upgrade to at at least 10-gallons for your Betta and ADF, or return the ADF and upgrade to a 5-gallon for your Betta alone.
   1. A 5-gallon cycled (http://www.firsttankguide.net/cycle.php )
   tank is minimal for Betta health. Smaller tanks and bowls do not maintain a consistent temperature, and it’s nearly impossible to keep healthy water conditions.
   2. A filter is necessary in any tank in order to keep the water aerated and free of toxins. For Bettas it is best to set the filter flow to low, as they are not very strong swimmers.
   3. A heater is essential. Bettas need warm steady temperatures of about 80F, to thrive. Constant fluctuation leads to stress, which inevitably leads to disease and often death. You can find an inexpensive heater for a small tank at any fish store.
   4. In a 5-gallon tank, weekly 25% water changes, using a gravel siphon are necessary. Water conditioner must be added to the water before it is put in the tank to remove toxic chlorine, chloramine, metals, etc.

   With proper care, Bettas have been known to live for 10 years. I have personally known them to live for 6.

7. Baby Boi wrote:
   14. August 2009 at 3:58 am :

   Of course you need a filter.