2.5 Gallon Betta Tank - The Planted Tank Forum
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post #1 of 23 (permalink) Old 01-31-2017, 07:18 AM Thread Starter
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2.5 Gallon Betta Tank

So, everything in my 37 gallon tank died thanks to an overfeeding incident when I was gone for 3 weeks on a trip, I got really ticked and dismantled my 40 breeder. And by dismantled, I mean I sold all the animals out of it and then the entire thing exploded as I shifted the tank to make it easier to remove rocks - dumping well over 200lbs of rock on my carpet.

I told myself I was getting out of it.

Then I walked into the fish shop to see my friend who now manages it. And there it was - a 2.5 gallon betta tank that was massively overplanted but I really liked the concept.

$150 later and I now have a 2.5 gallon nano tank waiting for a half moon betta that I ordered. It is currently home to a solitary cherry shrimp (and I'll be adding 2 more that are coming in with the betta - I got the only one the shop had with any decent color). There is about a 2.5 inch layer of red flint sand, with an inch layer of some black rock as the substrate. I figured for such a tiny tank, that would be enough for the roots to get nice and strong in. It certainly holds well - I had to do a half water change today thanks to my failed attempt to put in an air stone without sticking my entire hand in the tank (and I found that the air stone was too big so I need to find a less obtrusive option) - and I didn't lose one leaf or even manage to shift them much. The photo doesn't show it, but there is also now a small 2.5w heater that has the water hovering between 74 and 78 degrees.

I put in two bunches of a plant that was sold to me as hornwort - but is definitely not hornwort. In fact, after spending 6 months tankless, I can't quite tell what it is - maybe you could help me? It has fanned out nicely and is even showing some signs of growth after pruning even though it has only been in there for 24 hours.

I'm trying to decide what to carpet it with. I know I could do java moss, which I've done before. However, I would love to do some dwarf baby tears - but I know nothing about it and I'm not sure if the LED light I have is enough for it. I also have concerns about how I would prune it without removing most of the water from the tank.

The lighting is a Solar Flare mini (recommended by the guys at the shop) 3 watt 6700k LED. I'm already thinking about upgrading it.

Also - if anyone has recommendations for a very unobtrusive airstone, I'd appreciate it - preferably something with some weight to it so I don't have to dig into the substrate or use clips, if such a thing exists.

And, of course, I'd love if someone could ID the plant in there. Since it's already such a small tank, I'm hesitant to add a small piece of driftwood to the center of the tank but I do think it would look nice, and the shrimp would certainly appreciate it.





Your thoughts?

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post #2 of 23 (permalink) Old 01-31-2017, 11:42 AM
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2.5 Gallon Betta Tank

It might be Rotala Indica? Also why do you want an airstone? I would recommend a small sponge filter that you can find on amazon, it'll help you both cycle you tank and provide aeration from the airstone if you don't have a filter already. You have a heater right?


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post #3 of 23 (permalink) Old 01-31-2017, 12:09 PM
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You can call it a striped unicorn tank, it is still not fit to house large living creatures.
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post #4 of 23 (permalink) Old 01-31-2017, 07:06 PM
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Originally Posted by Nordic View Post
You can call it a striped unicorn tank, it is still not fit to house large living creatures.


A betta can actually go in a 2.5 gallon tank, it's not ideal- which would be 5 gallons but 2.5 is the minimum.


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post #5 of 23 (permalink) Old 02-01-2017, 03:30 AM
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You can call it a striped unicorn tank, it is still not fit to house large living creatures.
The key word here being "large".

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post #6 of 23 (permalink) Old 02-01-2017, 04:00 AM
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Originally Posted by justinmo View Post
A betta can actually go in a 2.5 gallon tank, it's not ideal- which would be 5 gallons but 2.5 is the minimum.


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This is false and often said, 2.5 for a betta is half of what it should be in, the minimum is 5 gallons...
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post #7 of 23 (permalink) Old 02-01-2017, 04:05 AM
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Originally Posted by RWaters View Post
The key word here being "large".
Dwarf Brown Bettas would work, but you'll need very soft water, live and frozen food, and Alder cones to up the tannins.

Starting small, keeping it simple..(?)
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post #8 of 23 (permalink) Old 02-01-2017, 05:34 AM Thread Starter
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Quote:
Originally Posted by BettaBettas View Post
This is false and often said, 2.5 for a betta is half of what it should be in, the minimum is 5 gallons...
Quote:
Originally Posted by GrampsGrunge View Post
Dwarf Brown Bettas would work, but you'll need very soft water, live and frozen food, and Alder cones to up the tannins.
I should have probably mentioned that this is a decently small betta who will be moving into a 5G (that I'm already designing to have all hidden fixtures) when he gets a little bit larger. This tank will end up home to some shrimp or a small school of tetras.
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post #9 of 23 (permalink) Old 02-01-2017, 10:58 AM
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2.5 Gallon Betta Tank

Quote:
Originally Posted by BettaBettas View Post
This is false and often said, 2.5 for a betta is half of what it should be in, the minimum is 5 gallons...


I disagree, I'm sure many people have different recommendations and bigger is obviously always better but generally the recommended BARE minimum is 2.5 gallons for only one betta. If you could get a 5 gallon that would really let your Betta's personality shine through. Though I might start saying 5 gallons is the minimum because when you say bare minimum most people choose the bare minimum.


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post #10 of 23 (permalink) Old 02-01-2017, 11:00 AM
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Originally Posted by AnthonyW8822 View Post
I should have probably mentioned that this is a decently small betta who will be moving into a 5G (that I'm already designing to have all hidden fixtures) when he gets a little bit larger. This tank will end up home to some shrimp or a small school of tetras.


Also, that's great!! But 2.5 gallons isn't enough for any tetras. You'd be better off making this a shrimp tank


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post #11 of 23 (permalink) Old 02-01-2017, 12:01 PM
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Originally Posted by AnthonyW8822 View Post
I should have probably mentioned that this is a decently small betta who will be moving into a 5G (that I'm already designing to have all hidden fixtures) when he gets a little bit larger. This tank will end up home to some shrimp or a small school of tetras.
I don't know if I would recommend a school (small) of tetras in a 5 gallon... its harder than it is saying it, I had a school of black tetras in my 5 gallon long and they did fine for a while though, I sold them to someone who I knew got them a better home though. brings me to my tanks today (but here's a pic of the 5 gallon long), the corys are going into my bigger 75G soon so don't freak out lol


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Originally Posted by justinmo View Post
I disagree, I'm sure many people have different recommendations and bigger is obviously always better but generally the recommended BARE minimum is 2.5 gallons for only one betta. If you could get a 5 gallon that would really let your Betta's personality shine through. Though I might start saying 5 gallons is the minimum because when you say bare minimum most people choose the bare minimum.


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Contradict this still. Beginners are usually geared towards bettas which means low tech, so five or 10 gallons is the bare minimum not 2.5, all that ammonia build up with only a once a week water change, and other fluctuations wouldn't be healthy. I personally wouldn't put a betta in anything less than 10 gallons. 2.5 gallons is geared more toward something like shrimp.
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post #12 of 23 (permalink) Old 02-01-2017, 03:25 PM
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Originally Posted by BettaBettas View Post
Contradict this still. Beginners are usually geared towards bettas which means low tech, so five or 10 gallons is the bare minimum not 2.5, all that ammonia build up with only a once a week water change, and other fluctuations wouldn't be healthy. I personally wouldn't put a betta in anything less than 10 gallons. 2.5 gallons is geared more toward something like shrimp.
Even a 1 gallon aquarium can be cycled. I have one that was fisheless cycled and had been doing an ammonia drip to persist the cycle for a few weeks. Ammonia build up is solvable.
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post #13 of 23 (permalink) Old 02-01-2017, 03:31 PM
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There is no such thing as a 1 gallon aquarium, it is a vase.
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post #14 of 23 (permalink) Old 02-01-2017, 04:00 PM
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There is no such thing as a 1 gallon aquarium, it is a vase.
True, it is mostly a vase. But it can be cycled.

In any case... @AnthonyW8822 2.5g won't be good for neons, but it will do shrimp just fine. And the betta will be quite happy moving to your 5g.

Edit: I hate to just tell ppl what to do without justification, 2.5g runs into two problems,
1. The fish need sufficient area to swim
2. The fish need to be in a school (exceeding stable population of a 2.5g)
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Last edited by FishRFriendz; 02-01-2017 at 09:53 PM. Reason: Also
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post #15 of 23 (permalink) Old 02-01-2017, 09:19 PM
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Originally Posted by FishRFriendz View Post
Even a 1 gallon aquarium can be cycled. I have one that was fisheless cycled and had been doing an ammonia drip to persist the cycle for a few weeks. Ammonia build up is solvable.
Agree with what @Nordic stated above. I never said it couldn't be cycled, a fish produces ammonia you know... no one said it couldn't be cycled
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