Tropical Fish Keeping - Aquarium fish care and resources

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MollyMomma 10-09-2012 01:27 PM

Need a New Tank
At the moment, I have one operational ten gallon tank and an old three gallon betta tank. As I've grown each year to love aquatic life more and more, and as my brain has developed, I wonder if a ten gallon tank is too small. I realized this with my three gallon tank before now, and that is when I bought my ten gallon, but now is time for a real upgrade. I have room for a tank with the base size of 17 by 30 inches, and am wondering what type of tank, filter etc. would best fit the job for my beloved babies. I only have one balloon molly and one mickey mouse platy right now, but when I get a bigger tank I will add more species. Thus, what I need need to know is this:
1.) what kind of tank should I get
2.) what species/number of fish should I stock it with (they must be able to stand brackish water)
3.) and what should I stock my ten gallon with

Thanks :)

SeaHorse 10-09-2012 01:53 PM

I (JMO) would give the 10 to a Betta, or at the most divide it in 2 giving each 5 gallons. However many will disagree and divide it into 3. If you did do a Betta in the 10, they do not like too much water flow, a HOB Hang On Back style filter is quite overpowering for them as it is exhausting constantly swimming in a current. Certainly something to consider!
I have attached a Tank calculator for you to review. According to this chart a 29 Gallon may do the trick. There are many other sizes, this is a small selection, but it does give weights to consider too.
An Aquarium Sizes and Weights Chart

And a tank occupant Calculator. This is not always accurate as we cannot always find our exact species... but it's fun to see what it says. Try it for the 10 gallon as well.
AqAdvisor - Intelligent Freshwater Tropical Fish Aquarium Stocking Calculator and Aquarium Tank/Filter Advisor

Keep us posted with what you decide on. Remember to cycle your new tank or seed it from your 10 gallon.

Sherry1966 10-09-2012 02:09 PM

Well your 10g is a small tank. I have seen some beautiful set ups with that size. Maybe you can go to a tall tank size. The bigger the better. I have a 45g tall that is about 30" or so. You can do so much with that size. Mine is full of Platy's and guppies, cory's, pleco, and GCAE. It is a beautiful show tank. I love different colours...
And platy's and molly's are freshwater tropical fish and not brackish water fish. is a great site to visit and punch in your fish and filter you think you want, and it will tell you if the fish are compatible and if you are overstocked or not and if your filter is going to work.

SeaHorse 10-09-2012 02:27 PM

Good point Sherry! A good example of what is probably not in that tank calculator I posted. (we cannot link you to another forum for reference, Rules) Check out my Aquariums Tab to the left <---- under my name. Click on Old Tank, the one with the Dog. That, if I remember correctly, is a 40 tall. I think they are only 12 wide x 30 long, x 20+ can't remember the last dimension high.

MollyMomma 10-09-2012 02:29 PM

Thanks guys! As for the salinity levels, my molly loooves salt, and does much better with a slightly saline tank. I made sure that the platy could handle it before integration. :)

SeaHorse 10-09-2012 02:54 PM

We have a Fish Profiles tab at the top of the page, to the left, there is a Brackish Tab, however I am not familiar with the names... have a look there. Also I would imagine it will depend on what your LFS can get for you. I did read some Swordtails like Brackish.

Sherry1966 10-09-2012 03:12 PM

Yup, that tank looks like the same size as my 45g. I had mine given to me, so the price was right. It's been for for a few years now. I really like it. I can sit and watch it for hours.

fish monger 10-09-2012 06:23 PM

Tall tanks are nice looking and fun to decorate; however, surface area is the most important measure when considering stocking. For example, a 15" tall 30 gallon tank will house very close to the same number of fish as a 30" tall 60 gallon tank. Since prices generally increase with the volume, you might want to take this into consideration if you're on a budget.

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