Tropical Fish Keeping - Aquarium fish care and resources

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RexMundi 12-11-2013 10:20 PM

Starting an Aquarium
Hello, I'm new to the forum and have some questions on starting a freshwater aquarium. I've decided on a 29 gallon tank.

My first questions are about water filters. A local fish store recommended that I get a filter to rated to handle twice the volume of water. 1). Is this a good idea? Is this even necessary?

2). Does it make a difference if I use one large filter or two smaller ones?

On the subject of air pumps. How much air volume is sufficient for a 29g tank?

I'll have more questions later, but this will help a lot.


rsskylight04 12-12-2013 02:37 AM

Hello, congrats on your decision. Great idea to research first before you start buying. This forum is an excellent resource. For a 29 I would buy a pump rated for 50 gal. Just my preference I like a lot of waterflow. Aquaclear 50 is a great filter and low cost. Good luck and keep us posted!

jentralala 12-12-2013 03:32 AM

It's a bit of a personal preference, plus how much you're wanting to stock a tank. For tanks with heavier stocks (such as goldfish or African Cichlids), these tanks usually over filter for twice the water volume of more. For tanks with less fish, less filtering is needed.

I always overfilter just to be on the safe side, but always be careful that the flow from the filter isn't too strong for a smaller tank.

Rssky's suggestion of an AquaClear is great. They're very good power filters.
Canister filters are also an option, but not necessary for a tank that size. I think you would be fine with a filter rated for between 35 and 50 gallons.
Um, I don't think it makes a huge difference if it's one big filter or several smaller ones, but using just one filter is much more convenient when it comes time for maintenance.

You don't need an airpump, honestly. The filter takes care of moving the water on the surface to help with oxygen.
If you want one for looks/the bubbles, you can buy any size you like.

rsskylight04 12-14-2013 05:18 PM

If you have room to upgrade a little, you'll get a lot more for only a little additional investment by going for a 40 gallon tank. If space is an issue, the 40 is only 6" longer than a 29, and the additional depth front to back that a 40 offers is very nice. It will open up a lot of stocking options for you that would not be advisable for a 29 gall. Its not that much bigger than a 29 gall( only 11gallons) but the geometry of the 40 gives you a much larger surface area than the taller 29, and also more floorspace in your tank for plants or bottom dwellers.
Just a thought. Best of luck to you.

henningc 12-14-2013 06:39 PM

Just my two cents, A larger tank is worth it, very worth it. If that is not an option a 29 works just fine. A HOB / Power Filter is fine for that size tank. I would also go with a sponge filter that is air driven. I run sponges rated at 80gal in all my tanks from 15 gal on up. I add one sponge for each 30 gal in larger tanks. Depending on the stock in the tank you not only get natural filtration but a source of micro organisms. Shrimp love the sponge. Using multiple filters is like buying insurance double the coverage likely wil never be needed and a total life saver if it is.

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