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Discussion Starter · #1 ·
I'm thinking about making a nano tank for my betta. I've liked the idea of nanos but I have a few questions before I decide what to do.

I know you can get those little all-in-one fluval type tanks but I really like the look of the ~2 to 4 gallon bowls/vases like the one that someone just started a thread about on this forum.

1) How would you guys heat something that small? Wouldn't the temp fluctuate like crazy? Or do you not heat them and only keep fish that don't need warm water? I know bettas technically can live in less than warm water but I also know that is not ideal or desirable. Is it possible to heat something this small without sucking up a lot of energy?

2) Is it possible to do these low tech/no CO2? I was thinking a "lawn" of flame moss or riccia and then some other low light plants--I seem to have good luck with rotala. Grows like a weed in my 29 gal where very little else does.

3) Are there filters that are small enough for these bowls? Would I need a filter for a betta or should I just do lots of 100% water changes?
 

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I've had my low tech , no heater, no filter dirted 1.75g vase for over 8 months. Miracle Grow dirt capped with gravel. Single betta with roughly 7-8 small crypt plants, 2 Vals, 2 Hornworth, water lettuce and 2 anacharis stems lit my a single 10w cfl.

I use to do weekly water changes but have since stopped and have only been doing top offs these last few months. Not a spec of Algae.

I'm in sunny Los Angeles so weather isn't an issue. Even in our coldest nights, the temp has never been below 75 deg inside the vase



cheap cell phone vid

 

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ive been googling the walstad method and looking on here as well. i want to do a 2 gallon like the one in the person aboves video! (it's so pretty) i suggest researching it, it might anwser all your questions! but i'm a newbie, don't quote me lol :flick:
 

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Discussion Starter · #5 ·
Unfortunately I live in New England. So temps here get rather cold. During the day we keep the temp at about 68 and at night it drops to 65 or lower to safe energy. So I can't do an ambient temp thing.

So I could fit a small heater in a tank even though it would look awful. But what about the fact that the water temp is going to be hard to keep stable? How do other people deal with this for nanos?

And Aguilar3,
I love your betta bowl!
 

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Unfortunately I live in New England. So temps here get rather cold. During the day we keep the temp at about 68 and at night it drops to 65 or lower to safe energy. So I can't do an ambient temp thing.
if you throw low energy usage out of the picture, i used an adjustable temp space heater in the room my tanks are in. I had a heater in my 10 gallon & my betta bowl w/o a heater. it can get pretty chilly down here in florida haha Our home heating system doesn't work right, so it gets cold in this brick ice box! my tanks stayed within a degree of where i wanted it. i did have to keep my betta bowl in close vicinity of the heater, but not close enough to cook him. But then again you're in New England, so good luck!:smile:
 

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I keep mine next to my computer which is always on.

v3
 
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